Simplify the expression. Assume that all bases are nonzero real numbers and all exponents are integers.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify the complex fraction.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve for the unknown number.72 ÷ z = 24
A. 4 B. 1 C. 3 D. 30
Mathematics
Solve the problem.The time required for a block to slide down an inclined plane with angle of inclination ? is given by 
where a is the length of the base and g is the acceleration due to gravity. Solve for 
A. ? = 
sin-1 
B. ? = 
sin-1 
C. ? = sin-1 
D. ? = sin-1 
Mathematics
Find the y-intercepts for the parabola whose equation is given. If the y-intercepts are irrational, round your answers to the nearest tenth.y = -x2 + 19x - 90
A. y-intercept (0, -9) B. y-intercept (0, 90) C. y-intercept (0, 9) D. y-intercept (0, -90)
Mathematics