Answer:
70
Step-by-step explanation:
2 + 10 = 12
84 ÷ 12 = 7
7 x 10 = 70
She graded 70 maths papers and 14 science papers.
97.2 miles just multiply
5.4
18
_____
97.2 Remember, if there is a number behind the decimal point make sure to put a decimal point behind it in the answer
Answer:
See the explanation below.
Step-by-step explanation:

Starting from 
By putting
we have:

Answer:
-8x+5
Step-by-step explanation:
txt if you need a explanation