Answer:
64
Step-by-step explanation:
180-52/2=128/2=64
The greatest common factor for 21 is 7
For 30 is 15
49 is 7
I’m no totally sure but i think that is right
Answer: 1
/2 (
x
2 − 16
x + 6
)
Step-by-step explanation:
Answer:
$210
Step-by-step explanation:
He makes 7% of that which is:

So, he makes $210 in commission.
The answer for 13 would be 4x-6x=2x