Answer:
<u>6m + 10</u>
Step-by-step explanation:
<u>Distributive Property</u>
<u>Solving</u>
- -4 + 2(3m + 7)
- -4 + 2(3m) + 2(7)
- -4 + 6m + 14
- <u>6m + 10</u>
Answer:
96
Step-by-step explanation:
Because the perimeter of a rectangle is 2 * (length) + 2 * (breadth),
P = 2 * 28 + 2 * 20
P = 56 + 40 = 96
Answer: 143
Step-by-step explanation: 19 x 7.5 = 142.5 rounds to 143
Hope this helps