Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(x2y5)7/3
A. x14/3y35/3
B. x35/3y14/3
C. x6/7y15/7
D. x13/3y22/3
Answer: A
Mathematics
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Factor by grouping.15x2 - 29xy + 12y2
A. (5x - 3y)(3x - 4y) B. (5x + 3y)(3x - 4y) C. (15x - 3y)(x - 4y) D. (5x - 3)(3x - 4)
Mathematics
Graph the equation using the slope and the y-intercept.8x - y = 0
A. 
B. 
C. 
D. 
Mathematics
Find the nth term of the geometric sequence.2, 4, 8, 16, 32
A. an = 2 ? 2n-1 B. an = 2 ? 2n C. an = a1 + 2n D. an = 2 ? 2n
Mathematics
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(7x7 - 9x4 + 4) - (9x4 + 2x7 + 20)
A. 5x7 - 18x4 - 16 B. 5x7 - 18x4 + 24 C. -29x11 D. 5x7 - 7x4 + 24
Mathematics