Answer:
The area of rectangle is 21 in^2
Step-by-step explanation:
we know that
The area of rectangle is equal to

where
L is the length
W is the width
In this problem we have


substitute

The draw in the attached figure
therefore
The area of rectangle is 21 in^2
Answer:
140=7×2×2×5
Step-by-step explanation:
Since the problem states "a number" and again "a number", I assume it;'s the same number. Let the number be x.
12x - 9x = 3x
The difference of twelve times a number and nine times a number is three times the number.
ANSWER
672cm²
EXPLANATION
The area of a regular hexagon is given by the formula,

where a=14cm is the apothem and p=96cm is the perimeter of the regular hexagon.
We substitute the values into the formula,


Therefore the approximate area of the hexagon is 672cm²