Simplify the radical. Assume that all variables represent positive real numbers.
A. 3y
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.A painter needs to cover a triangular region 65 meters by 66 meters by 71 meters. A can of paint covers 70 square meters. How many cans will be needed?
A. 14 cans B. 28 cans C. 318 cans D. 3 cans
Mathematics
Find the exact value of the expression using a sum or difference identity.sin 165°
A. 
B. 
C. 
D. 
Mathematics
Factor the four-term polynomial by grouping.6x + 54 + xy + 9y
A. (y + 9)(x + 6) B. (y + 9)(6x + y) C. (x + 9)(6 + y) D. (x + 9y)(6 + y)
Mathematics
Express in terms of i.
A. 4i
B. -i
C. ± 4
D. -4i
Mathematics