Determine the cube of the expression by writing the expression as the square of an expression multiplied by another expression.(x + 3y)3
A. 3(x + 3y)
B. x3 + 27y3
C. x3 + 9x2y + 27xy2 + 27y3
D. x3 + 3x2y + 6xy + 9xy2 + 18y2 + 27y3
Answer: C
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Find the arc length of the given curve.x = t2, y = 
t3/2, z = t; 0 ? t ? 9
A. 4.5 B. 9 C. 90 D. 81
Find area of figure. Round to the nearest hundredth if necessary.Find the area of a square measuring 40.5 m on a side.
A. 3280.5 m2 B. 1640.25 m2 C. 81.0 m2 D. 162 m2
Use the quadratic formula or graphing methods to solve the inequality.4x2 + 20x + 8 ? 0
A. x ? 
? -0.438
B. x ? 
? -4.562 or x ? 
? -0.438
C. 
? -4.562 ? x ? 
? -0.438
D. x ? 
? -4.562
Give the values of Xmin, Xmax, Ymin, and Ymax for the screen, given the values for Xscl and Yscl.
Xscl = 2, Yscl; = 2
A. [-5, 5] by [-5, 5] B. [10, -10] by [10, -10] C. [5, -5] by [5, -5] D. [-10, 10] by [-10, 10]