Answer:
Its -15 (B.)
Step-by-step explanation:
Just took the test and trying to help you out love.
The correct equation is 8.7 + b = 54.6
because it is given that measure of side a is 8.7cm, in all other equations the values of a is different.
from the first equation we can find the value of b, that is
b = 54.6 - 8.7 = 45.9
so, value of b is 45.9cm
6 with the remainer of 4.
Every 1 inch in the photo is 48 in real life. First you change the 6ft. to inches (72) then divide by 1.5