Multiply and, if possible, simplify.
? 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x4 - 9
A. 
, -
B. 
, 
i
C. 
, -
, 3i, -3i
D. 
, -
i, 
i, -
Mathematics
Solve the problem.Two voltages, V1 = 80 sin(110?t) and 
are added in a circuit to produce the sum 
Graph V in 
by 
and use the graph to estimate values for a and k so that 
A. a = 170; k = 1.0808 B. a = 170; k = 373.5108 C. a = 170; k = 169.317 D. a = 17; k = 1.0808
Mathematics
Find the slope of the line that goes through the given points.(-9, -7), (-3, 9)
A. - 
B. - 
C. 
D. 
Mathematics
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.(-5x5y)3
A. (-5)3x8y3 B. (-5)3x15y3 C. -15x5y D. -15x5y3
Mathematics