Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 ft. Find the length of the ladder if the length is 5 ft more than its distance from the wall.
A. 15 ft
B. 20 ft
C. 30 ft
D. 25 ft
Answer: D
Mathematics
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Name the variables in the equation.p = 4s
A. p, 4, s B. s C. 4, s D. p, s
Mathematics
Find the nth term {an} of the geometric sequence. When given, r is the common ratio.5, -10, 20, -40, 80, ...
A. an = 5 ? (-2)n B. an = 5 ? (-2)n C. an = 5 ? (-2)n-1 D. an = a1 - 2n
Mathematics
Solve the combined inequality and graph the solution set. Write the solution in interval notation.0 ? 
< 3
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The radius of a right circular cone is given by the formula 
, where V is the volume and h is the height. If the volume is 1087 cubic inches and the height is 10 inches, what is the radius? Use 3.14 for ?, and round your answer to the nearest tenth of an inch.
A. 0.1 in. B. 10.7 in. C. 10.2 in. D. 5.9 in.
Mathematics