Perform the indicated operation or operations. Write the answer in simplest form. If the problem contains mixednumbers and the answer is an improper fraction, express the answer as a mixed number.- 
+ 
A. 
B. - 
C. - 
D. 
Answer: B
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Find the volume of the indicated region.the region common to the interiors of the cylinders 
and 
A. 
B. 1372
C. 
D. 
Solve the problem.The sales tax rate in one state is 6.75%. How much tax will be charged on a purchase of 8 chairs at $60 a piece? Round your answer to the nearest cent.
A. $324.00 B. $64.05 C. $4.05 D. $32.40
Estimate the sum or difference by rounding.
A. 266 B. 267 C. 250 D. 260
Solve the problem.The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is W(t) = 
where v represents the wind speed (in meters per second) and t represents the air temperature 
. Compute the wind chill for an air temperature of 15°C and a wind speed of 12 meters per second. (Round the answer to one decimal place.)
Fill in the blank(s) with the appropriate word(s).