Solve the problem.A jet plane traveling at a constant speed goes 1200 mi with the wind, then turns around and travels for 1000 mi against the wind. If the speed of the wind is a constant 50 mph, and the total flight took 4 hours, find the speed of the plane.
A. 435 mph
B. 525 mph
C. 550 mph
D. 605 mph
Answer: C
Mathematics
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Solve.The sum of the squares of the digits of a positive two-digit number is 20, and the tens digit is 2 more than the units digit. Find the number.
A. 53 B. 24 C. 35 D. 42
Mathematics
The vector v has initial point P and terminal point Q. Write v as a position vector.P(-7, -4), Q(-15, -11)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Sketch a graph showing the mileage that a person is from home after x hours if that individual drives at 27.5 mph to a lake 55 miles away, stays at the lake 1.5 hours, and then returns home at a speed of 55 mph.
A. 
B. 
C. 
Mathematics
Use the graph to find the horizontal asymptote, if any, of the function. 
A. y = 0 B. x = 3 C. y = 0, y = 4 D. y = 4
Mathematics