Answer:
Explanation below.
Step-by-step explanation:
1. a. 
b. 
c. x=144
2. a. 
b. x= 14
3.

4.

<u><em>10 2/7 ÷ 3/14</em></u> First Write The Equation
<u><em>72/7 ÷ 3/14</em></u> Use KCF which is Keep, Change, and Flip
<u><em>1008/21</em></u> Use Division Of Equality
<u><em>Answer: 48</em></u>
The answer should be B and A
Y-y1=m(x-x1)
y-5=10(x-1)
Y-5=10x-10
Y=10x-5