Answer:
A)
Step-by-step explanation:
Answer:
224 inches cubed.
Step-by-step explanation:
Because the area of a square is 16 square inches, the side length is 4 inches. This is because a square's formula for area is the side squared.
Since the box is 14 inches tall, we multiply 4 inches by 4 inches by 14 inches. This means the answer is 224 inches cubed.
We also notice we don't need a measurement for the base sides, we only need to multiply the area by the height.
A is the answer because its right according to the chart
D) 36x^2-81
both 36x^2 and -81 are perfect squares
difference means subtraction
Answer:
25% decrease
Step-by-step explanation:
Take the original amount of books and subtract the new number of books
20 -15 = 5
Divide by the original amount of books
5/20 = .25
Multiply by 100%
25%
It is a decrease since the amount went down
25% decrease
