1 17/20
the 1 is ur whole number....it stays ur whole number
17/20 = 0.85
so we have 1.85.....to turn it into a percent, move the decimal 2 spaces to the right = 185%
Answer:
Initial Value=15
Rate of change=15/10=1.5
Equation: y=1.5x+15
Step-by-step explanation:
y=ax+b
y=1.5x+b
15=1.5(0)+b
b=15
One such polynomial might be

Another with the same roots would be
7x-7-2x-2+3x-12=8x-21
I think
7.91 = 8 21.9 = 22
8 + 22 = 30