Answer:
Step-by-step explanation:
Frist do the parentheses
Answer:
I don’t know figure it out
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
----> by supplementary angles (form a linear pair)
Solve for x
Combine like terms

subtract 99 both sides

Divide by 3 both sides

Answer:
Area = l x w
Area = (x + 1)(x + 7)
Area = x² + 7x + x + 7
Area = x² + 8x + 7
Step-by-step explanation:
Answer:
18/2 : 9
Step-by-step explanation: