Test the equation for symmetry with respect to the given axis, line, or pole.r = -4 cos ?; the line ? = 
A. Symmetric with respect to the line ? = 
B. May or may not be symmetric with respect to the line ? = 
Answer: B
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A farmer wishes to work out the average milk yield in his herd that consists of an equal number of Ayrshire, Friesian, Galloway, and Jersey cows.Suppose the farmer divides up his herd into the four sub-groups and randomly samples 3 cows from each subgroup. What type of sampling is being used?
A. quota sampling B. convenience sampling C. simple random sampling D. capture-recapture E. stratified sampling
Simplify using the quotient-to-power rule.
3
A. 
B. 
C. 
D. 
Work the application.County records list a rectangular parcel of land as measuring 37,022 square yards. A surveyor measures the length of the parcel of land as 214 yards. What is the width of the parcel?
A. 182 yards B. 36,808 yards C. 166 yards D. 173 yards
Solve. m – 9 = -7
A) 7 B) –2 C) 16 D) 2 E) 9