Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(3 - 3i)(3 - 8i)
A. -15 + 33i
B. -15 - 33i
C. 33 + 15i
D. 24i2 - 33i + 9
Answer: B
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Write the expression in the standard form a + bi.If w = 9 + 7i, evaluate w - 
.
A. 0 B. 18 C. 14i D. -18 + 14i
Find the absolute maximum and absolute minimum values of the function, if they exist, over the indicated interval. When no interval is specified, use the real line (-?, ?). f(x) = 
x3 + 
x2 - 27x + 2; (-?, 0)
A. Absolute maximum = 
; absolute minimum = - 
B. No absolute maximum; absolute minimum = - 
C. Absolute maximum = 
; no absolute minimum
D. No absolute extrema
Solve.The length and width of a rectangle have a sum of 86. What dimensions give the maximum area?
A. Length 43 and width 43 B. Length 34 and width 52 C. Length 33 and width 53 D. Length 42 and width 44
Find the area of the figure. Use 3.14 for ?.
A. 1173.6325 cm2 B. 1038.22 cm2 C. 1381.265 cm2 D. Not enough data