Answer:
1,288
Step-by-step explanation:
First, you are multiplying a negative by a negative, so the answer will end up positive.
Answer:
124
Step-by-step explanation:
Find area of rectangle
than arrow
then add
(13+14)+11= 13+(14+11)
Associative property of addition
Answer:
-3
Step-by-step explanation:
Answer:
(14n - 42)*pi
Step-by-step explanation:
Circumference is 2 * pi * r. Since r in this case is 7n - 21, you can multiply r by 2 and pi, giving you (14n - 42)*pi