Evaluate the expression.36 - 7 ? 2 + 24 ÷ (-6)
A. -126
B. -9
C. 18
D. 54
Answer: C
Mathematics
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Solve the problem.If the curve z = x2 in the xz-plane is revolved about the z-axis, the resulting surface has equation z = x2 + y2, obtained as a result of replacing x by 
. If y = 6x2 in the xy-plane is revolved about the y-axis, what is the equation of the resulting surface?
A. y = 6x2 - 6z2 B. y = 6x2 + 6y2 C. y = 6x2 + 6z2 D. y = x2 + z2
Mathematics
Solve.Approximately 19.7% of all students at a city college commute to school. Write this percent as a fraction or mixed number in simplest form.
A. 
B. 
C. 19
D. 1
Mathematics
Simplify.-1 + 2(8 - 4)
A. 13 B. 11 C. 12 D. 7
Mathematics
Factor completely.512s3 + 1
A. (512s + 1)(s2 - 8s + 1) B. (8s + 1)(64s2 + 1) C. (8s - 1)(64s2 + 8s + 1) D. (8s + 1)(64s2 - 8s + 1)
Mathematics