Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 240 miles in the same time that Dana travels 225 miles. If Chuck's rate of travel is 3 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 45 mph
B. 52 mph
C. 48 mph
D. 44 mph
Answer: C
Mathematics
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Find all points where the function is discontinuous.
A. x = 2 B. None C. x = -2, x = 2 D. x = -2
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Express the limit as a definite integral where P is a partition of the given interval.lim
?0
?xk, [-?/4, 0]
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Mathematics
Use the given table for y = ax2 + bx + c to solve ax2 + bx + c < 0 or ax2 + bx + c > 0, as indicated.y = x2 + 11x + 28; ax2 + bx + c < 0
A. x < 4 or x > 7 B. x < -7 or x > -4 C. 4 < x < 7 D. -7 < x < -4
Mathematics
Determine the real solutions to the system of nonlinear equations.x2 + y2 = 113x + y = 15
A. (-8, -7), (-7, -8) B. (8, -7), (7, -8) C. (8, 7), (7, 8) D. (-8, 7), (-7, 8)
Mathematics