Solve the problem.A ladder that is 15 feet long is 9 feet from the base of a wall. How far up the wall does the ladder reach?
A. 
ft
B. 12 ft
C. 3
ft
D. 144 ft
Answer: B
You might also like to view...
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the hydrogen ion concentration if the 
A. 1010 B. 10-10 C. 2.3 D. 0.1
Find all fixed points for the function by setting the function equal to x and solving the resulting equation for x.f(x) = x2 - 6x + 10
A. -7, -7 B. 5, -2 C. 5, 2 D. 4, 1
Walls A, B and C form an isosceles triangle. Find length a. c = 10 M b = 10 M A = 50ø
a. 10 M
b. 5 M
c. 10 M
d. 8.45 M
Solve the problem.The variable z varies jointly as the third power of x and the second power of y. When 
and 
Approximate the constant of variation to three significant digits.
A. 3.23 B. 6.63 C. 4.73 D. 3.63