v=πr^2(r+7) in my opinion is the correct expression
The perimeter of a rectangle is 30 inches. If its length is three times its width, find the dimensions. 30 inches=2(L+W) Divide each side by 2. 15 inches=L+W Substitute for L.
Answer:
x=7.2cm.........................
Answer:
Which one you need me to answer
Step-by-step explanation: