Answer:
x = 50
Step-by-step explanation:
2x + 80 = 180
subtract 80 from both sides
2x = 100
divide by 2 on both sides
I wasn't sure which one you were referring to
A is the correct set of coins
3b
if each brick is 3 inches tall, and there are b bricks, each b is 3, therefore 3b
Answer: P = 25n + 35
The perimeter of a rectangle is twice the sum of length and width.
P = 2(l +w)
P = 2((8.5n+9) + (4n +8.5))
P = 2(12.5n +17.5)
P = 25n + 35
Answer: D
