Simplify the expression using the imaginary unit i.
A. -6i
B. 6i
C. i
D. ±6
Answer: B
Mathematics
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Find the product.(8sec ? + 9)2
A. 64sec2? + 144 csc ? + 81 B. 64sec2? + 144 sec ? + 81 C. 64sec2? + 81 D. 8sec2? + 144 sec ? + 81
Mathematics
Find the amount of each payment needed to accumulate the indicated amount in a sinking fund. Round to the nearest cent.
$6100, money earns 6% compounded semiannually, 6 years
A. $943.06 B. $361.61 C. $429.81 D. $874.50
Mathematics
Solve the problem.A right triangle has one vertex on the graph of y = x2 at (x, y), another at the origin, and the third on the (positive) y-axis at (0, y). Express the area A of the triangle as a function of x.
What will be an ideal response?
Mathematics
Find the polar form of the complex number.-3 + 3i
A. 3
B. 3
C. 3
D. 3
Mathematics