21 ≥ a/4 ( a/4 is a fraction)
1 answer:
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Answer:
D.
Step-by-step explanation:
Area of rectangle =
Length of rectangle = (x - 8)
Width = (x + 11)
Area of rectangle =
Expand the expression
(distributive property of multiplication)
Combine like terms
Expression for the area of the rectangle =
Answer:
They went up 16 levels.
Step-by-step explanation:
You can find that by finding the distance from -2 to 14.
To find the distance from two numbers, and
, we can substitute both in the formula
, where d is the distance between them.