Answer: I think it is b Im not so sure
Step-by-step explanation:
Btw ,
are you doing khan academy?
Answer:
21n=
n-number and since its a number (n) and 21 you would put 21n
Answer:
553% is equal to 5.53
Step-by-step explanation:
To change a percent to a decimal, divide it by 100, because percent means, per one hundred.
I would guess it would be
7 and -7