What is the answer to -30x+100=-22x+140

x=-5

Step-by-step explanation:

Add 22x to both sides: -8x+100=140

Subtract 100 from both sides: -8x=40

Divide both sides by -8: x=-5

So the answer is x=-5

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

what is the question? i am guessing you are looking for the area.

to find an area, you have to do length x width.

in this case, it would be 12 ft x 4 ft = 48 sq. ft