Math 125 Final Find the distance between the given points. (3,3) and (-2,-7). Give your answer to the nearest hundredth The cost to rent a backhoe is $1000 per day plus $250 per hour of use. What is the maximum number of hours the backhoe can be used each day if the rental cost is not to exceed $3000 per day? Mark for Review What's This? Find the distance between the points. (3,-3) and (3,-6). Give your answer to the nearest hundredth When a train carying poisonous gas derails, authorities order all people living within 5 miles to evacuate the area. The derailment has coordinates (-5,-5) and your location is at (4,1). How far are you from the derailment? Round youranswer to two decimal places (coordinates are in miles). A right triangle has a height of x, a base of 5 and a hypotenuse of 13. Solve for x. A. 12 B. 18 C. 8 D. 21 Find the LCM of 72 and 120. Select the correct answer from the choices listed. A. 360 B. 24 C. 240 D. 96 E. None of the above The playing surface of a football field is 120 yds long. A player jogging around the perimeter of the field covers 346 yd. How wide is the field? A. 112 yds. B. 60 yds. C. 53 yds D. 51 yds. A study of American lawyers in a local Midwestern city shows that their average salary is normally distributed with a mean of $100,000 and a standard deviation of $5,000. What is the salary level above which you can expect to find approximately 2.5% of the lawyers? A. $100,000 B. $110,000 C. $120,000 D. $140,000 Find the slope of the line passing through the pair of points: (14,-3) and (18,-11). A. -1/2 B. 8 C. -2 D. -1/6 E. The slope is unidentified Find the range of the relation: {(3,5),(-6,-2),(0,4)} A. {3,-6,4} B. {5,-2,0} C. {5,-2,4} D. {3,-6,0} Graph the equation y = x2 - 3x -4. For what value or values of x is y = 0? A. x = -1 only B. x = -4 only C. x = -1 and x = 4 D. x = -1 and x = -4 If x is the number of days elapsed, the supply of a certain item is y = 3x + 8 If demand is given by y = 4x, in how many days will supply equal demand? A. 12 days B. 8 days C. 10 days D. 6 days In a certain city, the probability of catching a burglar is 30% and the chance of convicting a burglar once caught is 60%. What is the chance of catching and convicting a burglar? A. 90% B. 18% C. 30% D. 60% Add in base two arithmetic 1101 + 1110 + 101 = A. 100001 B. 100000 C. 100010 D. 100011 Solve the equation for x: 2x + 29 = 5x + 20 A. 49 B. 27 C. 3 D. 15 E. 20 The highest recorded shorthand speed was 300 words per minute for 5 minutes with an accuracy of 99.64 percent. How many errors were made? A. 90 B. 1 C. 5 D. 50 Evaluate |15| A. 1/15 B. 15 C. -15 D. -1/15 Graph a line with slope = 3/2 and y intercept (0,-3). Which statement is true about the line: A. (-2,-6) is a point on the line. B. (-2,6) is a point on the line. C. (2,2) is a point on the line. D. (5,-2) is a point on the line. E. All of the above. F. None of the above A circle of diameter 2 inches has its center at the center of a square of side 2 inches. Find the area of the region that is inside the square and outside the circle. A. 4.81 sq in B. 2.12 sq in C. .86 sq in. D. 1.14 sq in Calculate the circumference of a circle whose diameter is 15.5 cm. Use pi = 3.14. A. 24.335 sq cm B. 188.596 sq cm C. 48.67 sq cm D. 18.64 sq cm Solve the equation: 5y + 6 = 4 + 3y for y. A. 7/6 B. -1 C. 12/5 D. 3 The graph is y = ax2 + bx + c sometimes intersects the y-axis more than once. True False Are the lines parallel? x - 2y = 10 y = 1/2x + 4 A. Yes B. No Question 24 of 25 4.0 Points Let A = {Mon, Wed, Fri, Sat} Let B = {Sat, Sun} Then A - B = {Sat, Sun, Mon} A. True B. False The solution to the following system of equations is (0, 5). 4x - 5y = 20 2x + 3y = 10 A. True B. False