Use the Pythagorean Theorem:
a² + b² = c²
4² + b² = 8.5²
16 + b² = 72.25
b² = 56.25
b = 7.5
The ladder reaches a height of 7.5 ft on the wall
Answer:
-2x-6
Step-by-step explanation:
-2(x+3)= -2x -6
use distributive propriety of multiplication over addition
Answer:
Use desmos in the future to figure this out
Step-by-step explanation:
Desmos is a miracle for graphing assignments.
Also, (2, 7)
Answer:
-5, -2, -1, 2
Step-by-step explanation:
You can find the answer by trying the given possible answers out.