Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.csc 40°
A. 1.34
B. 1.46
C. 1.56
D. 1.24
Answer: C
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Solve the equation in the real number system.3x3 - 17x2 + 18x + 8 = 0
A. 
B. 
C. 
D. 
Evaluate without using a calculator by using ratios in a reference triangle.cos 210°
A. 
B. 
C. - 
D. - 
Find the GCF for the group of terms.108x3y2z, 162xy3z4, and 486x2yz2
A. 54xyz B. 50x3y3z4 C. 18x2y D. 2xyz
Solve the problem.A box with an open top is formed by cutting squares out of the corners of a rectangular piece of cardboard and then folding up the sides. If x represents the length of the side of the square cut from each corner, and if the original piece of cardboard is 14 inches by 12 inches, what size square must be cut if the volume of the box is to be 144 cubic inches? 
A. x = 6 in. B. x = 4 in. C. x = 3 in. D. x = 8 in.