Answer:
21 C
22 B
23 169
Step-by-step explanation:
21 3m mean 3 times a certain number
22 the negative make the 4 go negative and the -5 positive
23 i did 5^2-4^2= 9
then 6^2 divided by 9+9= 13 i took the 9 from the 5^2 problem then divided it by 6^2
then 13 x 13 = 169
2/x-9. You must divide 2 by x first to follow the order of operations then subtract by nine.
Answer:
(x + 2) (5x + 3)(5x - 3)
Step-by-step explanation:
