Aladder leans against a building. the angle of elevation of the ladder is 70. the top of the ladder is 25ft from the ground. to the nearest tenth of a foot, how long is the ladder?

a. 7.7ft

b. 24.7 ft

c. 8.6 ft

d. 51 ft

Using the graph below, select all statements that are true. a. f(0.6)=0 b. f(-3.2)=-3 c. f(5.1)=5 d. this is the graph of the greatest integer function. e. this graph is one-to-one.

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.