In the expression 4(x), 4 represents the number of legs, and x represents the height of the coffee table.
Altogether this expression shows the total length of all legs from the coffee table and kitchen table combined.
C
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The answer is 7 hope that helped and have a good and always good luck
Answer:
z = 20
Step-by-step explanation:
Assuming the triangles are similar write a proportion between the side lengths to solve for z.

To solve for z, multiply the numerator and denominator of each fraction.
9z = 15(32-z)
9z = 480 - 15z
24z = 480
z = 20