7/8 × c ⇒ substitute ⇒ turn 8 into a fraction
7 8 56
___ × ___ = _____ = 7
8 1 8
Your answer is 7
From the given figure

Since XY = 5.1 and XZ = 7.7, then

To find x, use the inverse of cos

Use the calculator to find x

The answer is
Answer: y=−2x+1
Step-by-step explanation:
The answer is: Perpendicular, because both equations intersects or cross over each other. There is an attached photo