Use positive rational exponents to rewrite the expression. Assume variables are positive.
A. 3x5
B. 5x3
C. x5/3
D. x3/5
Answer: D
Mathematics
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Solve the inequality and graph the solution on a number line.x2 + 2x - 8 > 0
A. 
B. 
C. 
D. 
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Write a system of equations that has the given augmented matrix.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the problem.It costs $29 per hour plus a flat fee of $34 for a plumber to make a house call. Use an equation to find the number of hours a plumber worked if the total cost was $237.
A. 4 hr B. 17 hr C. 14 hr D. 7 hr
Mathematics
Find the phase shift of the function.y = -2 cos 
A. -2 units down
B. -2 units up
C. 
units to the left
D. 
units to the right
Mathematics