Answer:
7 is the answer add 3 and 4 to gather
Answer:
28/5= 5 3/5 15/7= 2 1/7 21/4=5 1/4
Step-by-step explanation:
notice that the denominator can be factored into (x-3)(x+3).
Now you can cross out (x - 3) from the numerator and denomiantor resulting in a simplified fraction of 
Plug the limit value (which is 3) into the simplified fraction.
Answer: 
Answer:
12.5
Step-by-step explanation:
you can solve this by dividing 250/20=12.5
Answer:
10?
Step-by-step explanation:
I don't know exact answer