Find the prime factorization of the number. Write any repeated factors using exponents.221
A. 132 ? 17
B. 16 ? 15
C. 14 ? 19
D. 13 ? 17
Answer: D
Mathematics
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Write the expression with positive exponents only. Then simplify, if possible.(-4)-2
A. - 
B. -16
C. 16
D. 
Mathematics
Find the first term a1 and the common difference d of the arithmetic sequence.0.7, 0.62, 0.54, 0.46, 0.38, . . .
A. a1 = -0.08, d = 0.38 B. a1 = 0.7, d = -0.16 C. a1 = -0.08, d = 0.08 D. a1 = 0.7, d = -0.08
Mathematics
Factor the trinomial, or state that the trinomial is prime.x2 - 2xy - 48y2
A. prime B. (x + 6y)(x - 8y) C. (x - 6y)(x + y) D. (x - 6y)(x + 8y)
Mathematics
x² = –4y
Find the focus.
Mathematics