Answer:
36x + 45
Step-by-step explanation:
given
9(3x + 5 + x) ← collect like terms inside parenthesis
= 9(4x + 5)
Multiply the terms inside the parenthesis by the 9 outside
= (9 × 4x) + (9 × 5)
= 36x + 45
B) perpendicular
i graphed them
18
-2/9
