Write the expression in the standard form a + bi.
3
A. -4 + 4
i
B. 4 - 4
i
C. -4 - 4
i
D. 4 - 4i
Answer: B
Mathematics
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Simplify the complex fraction.
A.
B.
C.
D. 6m6
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(4x -
)(
-
)
A. 4x2 - 4x + 10
B. 4x2 + 10
C. 4x2 - 4x -
+ 10
D. 4x2 - 3x + 10
Mathematics
Solve the problem.Alan is building a garden shaped like a rectangle with a semicircle attached to one short side. If he has 20 feet of fencing to go around it, what dimensions will give him the maximum area in the garden?
A. width = ? 2.8, length = 5.6
B. width = ? 5.6, length = 2.8
C. width = ? 5.6, length = 7.2
D. width = ? 3.6, length = 5.4
Mathematics
Find the quotient.
A. 6 B. -6 C. -7 D. -5
Mathematics