To repair a roof that is 12 feet high, Mr. Alexander leans a 13-foot ladder against the side of the building. Yo reach the roof, how far away from the building should he place the base of the ladder? __feet

A. 12
B. 15
C. 25
D. 5

ome people is not even worth it to even try it in the air.

step-by-step explanation:

46

step-by-step explanation:

given

height = 168 cm

formula

height =2.47*f+54.13

solution

168 = 2.47f + 54.13             subtract 54.13 from both sides

168 - 54.13   = 2.47f             combine

113.87 = 2.47f                     divide by 2.47

113.87 / 2.47 = f                   combine

46.1 = f  

answer: 46 cm