Answer: The three different equations will be

Step-by-step explanation:
We have to write three equation that have x = 5 as a solution:
1) First equation will be

2) Second equation will be

3) Third equation will be

Hence, the three different equations will be

The area of the panel is 80ft^2
Answer:
C) $14.2
Step-by-step explanation:
$3 is flat value. minimum price. $0.8 per mile for 14 miles is 0.8x14 which equals to 11.2. Add $3 and get $14.2.
0.14 pounds (rounded; 0.135 unrounded); To calculate the % of something, divide it by 100 and multiply the result by the percentage you want to find.
0.0450 (=1%)
0.0450 x 3 = 0.135