Solve the problem.The perimeter of a rectangle is 70 m. If the width were doubled and the length were increased by 6 m, the perimeter would be 112 m. What are the length and width of the rectangle?
A. width 12, length 17
B. width 20, length 15
C. width 17, length 17
D. width 15, length 20
Answer: D
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Multiply.(2x + 5)2
A. 2x2 + 25 B. 2x2 + 20x + 25 C. 4x2 + 20x + 25 D. 4x2 + 25
Solve the problem. Use 3.14 as an approximation for ? where appropriate.Find the volume of a feed bin having the shape of a right circular cylinder of radius 8 feet and height 7 feet topped by a right circular cone of the same radius and height 4 feet. (Round to the nearest hundredth unit.)
A. 535.80 ft3 B. 1406.72 ft3 C. 2813.44 ft3 D. 1674.62 ft3
Solve the problem.A projectile is fired from a cliff 100 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 230 feet per second. The height h of the projectile above the water is given by 
where x is the horizontal distance of the projectile from the base of the cliff. How far from the base of the cliff is the height of the projectile a maximum?
A. 826.56 ft B. 413.28 ft C. 1339.84 ft D. 513.28 ft
Provide the proper response.If an ellipse has vertices at (-7, 0), (7, 0), (0, 9), and (0, -9), what is its domain? What is its range?
A. Domain: [-7, 7]; Range: [-9, 9] B. Domain: [-7, 9]; Range: [-9, 7] C. Domain: [-9, 9]; Range: [-7, 7] D. Domain: [0, 7]; Range: [0, 9]