Answer: 
Step-by-step explanation:

Plug in your values.

Square 1ft.

Plug this into a calculator or do it manually.

Answer:
5j-15-2j+2= 3j-13
Step-by-step explanation:
5 times j
5 times 3
minus the ones with the letters
then the ones without
and u get the answer
hope this helps!
Answer:
13
Step-by-step explanation:
W^2 - 63 = 106
W^2 = 106 + 63
W^2 = 169
W = √169
W = 13
Answer:
120,000
Step-by-step explanation:
45000/12000=8/3
8/3*45000=120000