If the dimensions of the rectangle were doubled, the area in square inches is:
- Let the length of the rectangle be L.
- Let the width of the rectangle be W.
<u>Given the following data:</u>
If the dimensions of the rectangle were doubled, the value of L and W becomes;


Mathematically, the area of a rectangle is given by the formula;
× 
× 
× 
square inches.
Find more information: brainly.com/question/897975
Answer:
-3a^3 + 2a.
Step-by-step explanation:
21a3 − 14a / -7
= 21a^3 / -7 - 14a / -7
= -3a^3 + 2a.
D. 45 is the correct answer