Area = 4x(2x + 3) = 8x2 + 12x
Perimeter = 2(2x + 3 + 4x) = 12x + 6
Answer:
D) (5x - 3) (25x^2+ 15x + 9)
Step-by-step explanation:

The answer for that problem is z =12+6
The answer to your question is 2.3
30 is the old value and 55 is the new value. In this case we have a positive change (increase) of 83.33333333 percent because the new value is greater than the old value. Using this tool you can find the percent increase for any value.