He messed up step 2 he added instead of multiplying
Answer:
polygon do all the number times each outher divided in half then times 6 for the hight and langht
Step-by-step explanation:
Answer:a=4
Step-by-step explanation:
Expand the brackets. Collect like terms. Get the same values on each side so it’s easier to isolate a. Divide 9 from 9a so that u get a by itself and this gives u the answer if 36/9 or 4.