Answer:
Step-by-step explanation:
Let the number of floors = x
Number of apartments per floor = 4x
4x *x = 100
4x² = 100
x² = 100/4
x² = 25
x =√25
x = 5
Number of apartments on each floor = 4*5 = 20
Answer:
WHAT
Step-by-step explanation:
A. -13 because if you remove the plus sign and replace it with the negative sign on the 3 you get -10-3
12x+30+4
12x+34
This is 12x + 34 because when we combine all like terms, we get it.
Answer:
4 dollars
Step-by-step explanation: