There's no question there. You didn't attach the pic
If the question is supposed to be

Now multiply both sides by 3 to get 3(-21)=-63=e
Answer:
simplified is
x
^5
y
^15
z
^10
Step-by-step explanation:
The factors of a number are all whole numbers that can be multipled to get that number.
1, 2, 4, 8, 16, 32, 64
Answer:
The answer is 2.70
Step-by-step explanation:
18+2.70= 20.70
20.70-2.70=18