Granville and Preston are 522 miles apart. A car leaves Preston bound for Granville at 44 mph. At the same time, another car leaves Granville bound for Preston at 43 mph. How long will it take them to meet?
A. 7 hr
B. 6 hr
C. 3 hr
D. 5 hr
E. 4 hr
Answer: B
Mathematics
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Simplify the complex rational expression.
A. - 
B. - 
C. - 
D. - 
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Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. ? B. {(x, -2 - x)} C. {(7, -2)} D. {(0, 5)}
Mathematics
Solve the problem.A cab company charges a base rate of $1.00 plus 10 cents per minute. Let y be the cost in dollars of using the cab for x minutes. Find the slope-intercept form of the equation.
A. y = 1.00x - 0.10 B. y = 1.00x + 0.10 C. y = 0.10x - 1.00 D. y = 0.10x + 1.00
Mathematics
Solve.
= 
A. 8 B. -8 C. 0 D. No solution
Mathematics