Estimate the sum or difference by rounding.
A. 120
B. 116
C. 121
D. 100
Answer: B
Mathematics
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Identify the type of sampling described by the proposal.At a local technical school, five auto repair classes are randomly selected and all of the students from each class are interviewed.
A. convenience sample B. simple random sample C. cluster sample D. stratified sample E. systematic sample
Mathematics
Graph the numbers. Then name them in order from least to greatest.3, 1, 5.25, -1.75
A. 
-1.75, 1, 3, 5.25
B. 
5.25, 3, 1, -1.75
Mathematics
Evaluate the rational expression.
when x = -6
A. - 
B. 0
C. 
D. Undefined
Mathematics
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 6x, y = 12x, x = 6
A. 1944? B. 144? C. 432? D. 864?
Mathematics