what length of ladder is needed to reach a height of 7 feet along the wall when the base of the ladder is 4 feet from the wall round your answer to the tenth place.

answer: i think it is (1,-2)

srry idk

step-by-step explanation:

77

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.