Answer:
sure ill help
Step-by-step explanation:
30*30=900
hope this helps!
Key word: sum
twice a number = 2n
Sum of that and 15 = 2n + 15
is = equals
Answer: 2n + 15 = 9
Answer:
4
Step-by-step explanation:
we can t divide by 0
and x-4=0 <=> x = 4
so the point of discontinuity is 4
hope this helps
Answer:

Step-by-step explanation:
