contestada

Use the following pattern to complete parts a. and b. below.
4 + 12 = 16
4 + 12 + 20 = 36
4 + 12 + 20+ 28 = 64

Please show work.

Use the following pattern to complete parts a and b below 4 12 16 4 12 20 36 4 12 20 28 64 Please show work class=