Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(x4y5)7/3
A. x12/7y15/7
B. x28/3y35/3
C. x19/3y22/3
D. x35/3y28/3
Answer: B
Mathematics
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Use the data to complete the table.The following is the number of bonus points that 24 students have received for extra work. 
A. Frequency: 2, 6, 4, 7, 3, 2 B. Frequency: 2, 5, 6, 6, 3, 2 C. Frequency: 2, 6, 5, 5, 4, 2 D. Frequency: 2, 6, 5, 6, 3, 2
Mathematics
Solve.4x + 6(5x - 6) = 9 - (4x + 8)
A. x = 
B. x = - 
C. x = 
D. x = 
Mathematics
Find the LCM.30, 12, 90
A. 60 B. 90 C. 180 D. 36
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.15(x - 7)2 - 17(x - 7) - 42
A. (3x + 27)(5x + 42) B. (3x + 7)(5x + 6) C. (3x - 28)(5x - 29) D. (3x + 14)(5x + 13)
Mathematics