Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.25x2 - 80xy + 64y2
A. (5x - 8y)(5x + 8y)
B. (5x + 8y)2
C. (25x + y)(x + 64y)
D. (5x - 8y)2
Answer: D
Mathematics
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Write the number 
in scientific notation.
?
A.
B.
73,300
C.
D.
E.
Mathematics
Find the series' radius of convergence.
A. ?, for all x B. 0 C. 2 D. 1
Mathematics
A population changes with time. Its level after t years is given by the function 
. Over a certain period, the population is growing. What can be said about 
over this period?
?
A. is positive.
B. is negative.
C. is zero.
D. is linear.
Mathematics
Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(-2x2y)4
A. 16x6y4 B. -8x2y4 C. 16x8y4 D. -8x2y
Mathematics