Which of the following represents the area of a rectangle whose length is x − 7 and whose width is x + 12? (1 point) a.\x2+x − 84 x2− 84 x2− 5x − 84 x2− 84x + 5

which expression represents the approximate length of bc?

step-by-step explanation:

what are you doing do you need examples of variable questions?

step-by-step explanation:

5a-1=9               bring the one over the =

5a=10                     divide by your variable

a=2

brainliest? ?

here try this one

3a-24=0

step-by-step explanation:

i believe b is the answer