Write the following statement as a proportion.
?
30 is to 24 as 20 is to 16.
?
A.
B.
C.
D.
E.
Answer: D
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Solve the problem.A company builds pole buildings. They only construct the outer shell and hire subcontracters for any interior framing and finishing. The total number of hours of labor y required to build the outer shell and the area x in square feet of the building is given for 5 buildings. 
Find the least squares line through the origin.
A. y = 0.1104x - 4.2238 B. y = 0.1180x C. y = 0.1086x D. y = 0.1067x
Find the volume of the solid. When appropriate, use ? ? 3.14 and round to the nearest hundredth.
A. 104.67 cm3 B. 4186.67 cm3 C. 523.33 cm3 D. 392.50 cm3
The wages of the employees of a company are presented in this histogram. Answer the question.
How many employees earn $8 or more?
A. 128 B. 148 C. 94 D. 48
Divide, if possible. If not possible, write "not defined."
A. Not defined B. 62 C. 1 D. 0