Simplify. Include the absolute value symbol if necessary. If the answer is not a real number, state so.
A. -4
B. -2
C. not a real number
D. 4
Answer: A
Mathematics
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Simplify.
A. 
B. 1
C. 1 - a2
D. 
Mathematics
Solve the equation.50t - 25 = 14t - 13
A. - 
B. - 4
C. - 
D. 
Mathematics
Factor completely.4x2 - 28x + 48
A. 4(x - 12)(x + 1) B. 4(x - 3)(x - 4) C. prime D. (x - 3)(4x - 16)
Mathematics
Solve the problem.
The graph shows the amount of water in a 200-gallon tank after x minutes have elapsed. (i) Is the water entering or leaving the tank? (ii) Find the x-intercept and the y-intercept.
A. Entering; x-intercept is 200 and y-intercept is 0 B. Leaving; x-intercept is 0 and y-intercept is 200 C. Leaving; both intercepts are 0 D. Entering; both intercepts are 0
Mathematics