Solve the problem.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan. Round approximations to the nearest tenth. 
20 ft
A. 17.5 ft
B. 12.5 ft
C. 25 ft
D. 312.5 ft
Answer: C
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Solve the problem.The distance, d, that a falling body falls in t seconds is given by the expressiond = 
gt2.Find d if g is 
and t = 8.0 s
A. 515 ft B. 2060 ft C. 129 ft D. 1030 ft
Write the expression as a logarithm of a quantity to a power. Leave answers in simplest form without negative or fractional exponents.5 logby
A. log5yb B. b log50y5 C. logby5 D. 5 logby5
Solve the problem.The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 17-kg object stretches a spring 65 cm, find the distance when the weight is 18-kg.
A. 3.82 cm B. 100 cm C. 68.82 cm D. 4.71 cm
The height of a triangle is 2 feet less than 4 times the length of its base. If the area of the triangle is 6 square feet, find the height and base. The formula for the area of a triangle is: 
A. height 
feet; base 
feet
B. height 
feet; base 
feet
C. height 
feet; base 
feet
D. none of these