Assuming 5a3 equals 5a^3, and the same for everything else, you would plug in 4 for a, so 5(4)^3 - 2(4)^2 + 4 - 45, which equals 247.
Lemme just say this real quick, Ratio
Answer:

Step-by-step explanation:



Answer:
<em>6 inches</em>
Step-by-step explanation:
The mode is the most frequently occurring number.
The mode of Martha's Fish is 21.
The mode of Jamie's Fish is 15.
21 - 15 = 6
The mode of Martha's fish is<em> 6 inches</em> longer than the mode of Jamie's fish.