4x - 2y - 3x + 5y = 4x - 3x + 5y - 2y = x + 3y
Answer: use a calculator
Step-by-step explanation:
Answer:
1 hour and 15 minutes=75 mins.
Step-by-step explanation:
<h3>
Answer: 21 units</h3>
There are two ways to do this. The first method you would multiply each original side by 2 to get 7 for each side. The new perimeter would be 7+7+7 = 21.
Or you could find the perimeter of the original figure (3.5+3.5+3.5 = 10.5) and then multiply that by 2 to get the same result (10.5*2 = 21)
