Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 6y
D. 0
Answer: C
Mathematics
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Find the volume of the shaded solid. Round your answer to 2 decimal places if necessary. Use ? = 3.14 when necessary.
A. 607.5 cm3 B. 895.33 cm3 C. 476.67 cm3 D. 9476.67 cm3
Mathematics
Write the underlined number in word form.A package weighs 
pounds.
A. one hundred forty-seven and nine-tens B. one hundred forty-seven and nine-hundreds C. one hundred forty-seven and nine-hundredths D. one hundred forty-seven and nine-tenths
Mathematics
Solve.
(r + 6) = 
(r + 8)
A. {-12} B. {-4} C. {4} D. {3}
Mathematics
Find the exact value under the given conditions.cos ? = - 
, 
< ? < ?; sin ? = 
, 
< ? < ? Find tan(? - ?).
A. 
B. 
C. - 
D. 
Mathematics