Find the quotient 
of the complex numbers. Leave answer in polar form.z1 = 4iz2 = -6 + 6i
A. 
B. 
C. 
D. 
Answer: D
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Determine whether the argument is valid or invalid.If Nadine is working tonight, then she will not go skiing.If Nadine is not working tonight or does not go skiing, then she will read a novel.Nadine will not read a novel tonight. Therefore, Nadine is not working tonight.
A. Valid B. Invalid
For the initial value problem, compute the first two approximations u1 and u2 given by Euler's method using the given time step.y'(t) = 3 - y, y(0) = 6; ?t = 0.1
A. u1 = 5.7; u2 = 5.43 B. u1 = 6.9; u2 = 5.43 C. u1 = 5.7; u2 = 6.51 D. u1 = 6.9; u2 = 6.51
Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.04 B. 0.02 C. -0.4 D. 0.3
Identify the polynomial as a monomial, binomial, trinomial, or none of these.5z - 4
A. None of these B. Monomial C. Trinomial D. Binomial