Write the complex number in rectangular form.9(cos 180° + i sin 180°)

A. -9i
B. -9
C. 9
D. 9i


Answer: B

Mathematics

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The following problem involves adjustable-rate mortgage. You the given table if necessary.Harry has a 1-year ARM for $75,000 over a 25-year term. The margin is 2%, and the index rate starts out at 2.5% and increases to 3.5% at the first adjustment. The balance of principal at the end of the first year is $73,338.52. Find the amount of monthly payment for the first month of the first year.

A. $388.14 B. $489.42 C. $416.87 D. None of the above is correct.

Mathematics

Change the logarithmic expression to an equivalent expression involving an exponent.ln x = 2

A. e2 = x B. ex = 2 C. x2 = e D. 2e = x

Mathematics

Solve the equation.4z3 = 24z2 - 32z

A. -4, -2, 0 B. 0, 2, 4 C. -4, 0, 2 D. -2, 0, 4

Mathematics

Graph the functions in the same rectangular coordinate system.f(x) = x and g(x) = log1/2 x

A.

B.

C.

D.

Mathematics