3x+15=3(x+5)
3x+15=3x+15
3x-3x=15-15
Therefore x can be equal to any value.
Answer:
144.
The reason is because 1 ft = 12 in, (1 ft)2 = (12 in)2 = 144 in2.
To get 20/10 as a mixed number you would have to take 20 and divide it by 10. Once you do that your answer should be 2.
C. All real numbers except 1