120 inches cubed (^3)
To find the volume of a rectangular prism, the formula is base area • height. We just have to solve this problem.
The two sides of the base 8 and 5. 8 • 5 = 40, so the area of the base = 40.
Then, the height is 3. 40 • 3 = 120, so the volume is 120 inches^3
We know that for √x to be meaningful, we must have x ≥ 0.
If we square both sides of the inequality, we have
x < 4²
x < 16
Thus the whole solution is
0 ≤ x < 16
The following choices are valid solutions to the inequality:
B. 12
C. 2
E. 5
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