Answer:
19.1 feet
Step-by-step explanation:
Length of the ladder = 20 feet
Distance from the ladder to the wall = 6 feet
Height of the ladder on the wall = x
x² + 6² = 20²
x² = 20² - 6²
x² = 364
x = 19.1 feet (Rounded to nearest tenth)
8x-2
8x=-2
/8
x=-1/4
81
128*.69=88.32-8.83
128+8.83=136.83
Answer choice B is the answer.
