Answer:
C. Multiply 3 by 18
Step-by-step explanation:
Further explanation

It would be B. because the rise over run is 31.25 over 5 which is divided to 6.25 which is rounded to 6.3
Answer:
A
Step-by-step explanation:
50 plus 50 is the easiest number to add so in the associative property you put the easiest problem in parentheses so you can do it first like answer A is
Answer:
10
Step-by-step explanation:
Ignoring the weird format, we have:
(8+20)/4 +3
=(8+20)/4 +3
=28/4 +3
=7+3
=10