Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = -4, x = -3
B. x = 3, x = -3
C. x = 4, x = 5
D. x = 0
Answer: C
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A. None of these B. 34 + 45 C. 34 - (45) D. 34 + (-45)
Mentally estimate the number that should go in the blank to make the statement true.31% of 160 = 
.
A. About 30 B. About 50 C. About 40 D. About 60
Solve the problem.A fence is 721 meters long. It is to be cut into three parts. Two parts are the same length, and the third part is 22 meters longer than either of the other two. Find the length of each part.
A. 211 meters, 211 meters, 233 meters B. 255 meters, 255 meters, 233 meters C. 233 meters, 233 meters, 211 meters D. 233 meters, 233 meters, 255 meters
Identify the equation without applying a rotation of axes.9x2 - 6xy + 3y2 - 3x + 4y + 8 = 0
A. parabola B. ellipse C. hyperbola D. circle