A
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The standard form:

We have:
<em>multiply both sides by 2</em>
<em>add x to both sides</em>

Answer:
7 pieces
Step-by-step explanation:
Turn yards into inches (2 yards = 72 inches)
Divide: 72÷9
=7.68
7 pieces
Answer:
Step-by-step explanation:
3,9,12,(15),16,18,21
mean (middle number) = 15
Q1 = 9.....the middle number of the numbers before the mean
Q3 = 18...the middle number of the numbers after the mean
interquartile range (IQR) = Q3 - Q1 = 18 - 9 = 9 <==
Answer
3x=y
Step-by-step explanation:
This can just be simplified. 6x=3y;/3 3x=y
When we simplify by 3 we can get the final result and that is the final possible step.