Solve the problem using a system of equations.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 250 miles in the same time that Dana travels 220 miles. If Chuck's rate of travel is 6 mph more than Dana's, then at what rate does Chuck travel?
A. 52 mph
B. 44 mph
C. 48 mph
D. 50 mph
Answer: D
Mathematics
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Set up the iterated integral for evaluating 
over the given region D. DD is the solid right cylinder whose base is the region in the xy-plane that lies inside the cardioid 
and outside the circle 
and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Mathematics
Identify the specified numbers.The real numbers in the following list:7, 
, -13, 0, 
, 
A. 7, -13, 0, 
B. 7, -13, 0, 
C. 7, 
, -13, 0, 
, 
D. 7, -13, 0, 
, 
Mathematics
Simplify the algebraic expression.5.7x3 + 5.3x - 1.3x3 + 7 - 1.7x
A. 7x3 + 7x + 7 B. 4.4x3 + 3.6x + 7 C. 4.4x3 + 7x + 7 D. -4.4x3 + 3.6x - 7
Mathematics
Solve.y = x2 - 12x + 36x + y = 8
A. x = -4, y = 12; x = -7, y = 15 B. x = 4, y = 4; x = 7, y = 1 C. x = 6, y = 2 D. x = 4, y = 12; x = 7, y = 1
Mathematics