Solve.When fifteen is reduced by one-third of a number, the result is 9. Find the number.
A. 6
B. 21
C. -18
D. 18
Answer: D
Mathematics
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Find the indicated matrix.Let A = [-1 2] and B = [1 0]. Find 3A + 4B.
A. [-3 4] B. [1 6] C. [-1 4] D. [2 2]
Mathematics
Find the volume of the circular cylinder. Use 3.14 or 
for ? as indicated.Use 3.14 for 
A. 113.04 cm3 B. 452.16 cm3 C. 226.08 cm3 D. 1808.64 cm3
Mathematics
Given that 
and 
, which method establishes that 
?
A. ASA B. SAS C. AAA D. SSS
Mathematics
Evaluate the exponential expression. Write the answer as an improper fraction where appropriate.08
A. 8 B. 0 C. Undefined D. 1
Mathematics