Provide an appropriate response.How can you use a proportion to solve a percent word problem? Explain in your own words.
What will be an ideal response?
Identify the values and the unknown representing the amount, the whole, and the percent. Substitute the values and the unknown into the percent proportion: 
= 
. Solve the proportion to find the unknown value.
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Find an equation of variation for the given situation.y varies jointly as x and w and inversely as z, and y = 
when x = 2, w = 4, and z = 16.
A. y = 
B. y = 4xwz
C. y = 
D. y = 
Provide an appropriate response.In your own words, explain what CPI stands for and what is measures.
What will be an ideal response?
Referring to triangle ABC, find the area of the triangle.
?
?
Round to three significant digits.
?
S = __________ km2
Fill in the blank(s) with the appropriate word(s).
Find an equation of a parabola that satisfies the given conditions.Vertex (5, -4), focus (8, -4)
A. (y + 4) = 
B. x - 5 = 3(y + 4)2
C. 
(x - 5) = (y + 4)2
D. (x - 5) = 