Answer:

Step-by-step explanation:
We have that:

Now we can find a+b

Answer:62
Step-by-step explanation:
F=c+32
C=30
F=30+32
F=62
Answer:
17,810.58
Step-by-step explanation:
A = $ 17,810.58
A = P + I where
P (principal) = $ 10,000.00
I (interest) = $ 7,810.58
Answer: A. 42 tickets
Step-by-step explanation: 8, 16, 24, 32, 40, 48
-10c+70, just distribute the the -10 to everything in the expression