7. e and f
9. c.
sorry didn't understand 8
Answer: (-11)
Step-by-step explanation: 7+7x=-70
7-7+7x=-70-7
7x=-77
-77/7=-11
Answer:
35m
Explanation:
Perimeter is the sum of all the sides of a shape, or a+b+c=P.
12m+8m+15m = 35m
Answer:
7/20
Step-by-step explanation: