Solve the problem.Use the formula Time traveled = 
. A passenger train can travel 360 miles in the same amount of time it takes a freight train to travel 270 miles. If the average velocity of the freight train is 10 miles per hour slower than the average velocity of the passenger train, find the average velocity of each.
A. passenger train: 30 mph
freight train: 20 mph
B. passenger train: 50 mph
freight train: 40 mph
C. passenger train: 60 mph
freight train: 50 mph
D. passenger train: 40 mph
freight train: 30 mph
Answer: D
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Find the transformation from the uv plane to the xy plane.u = x + 9y, v = x - 9y
A. x = 
, y = 
B. x = 
, y = 
C. x = 
, y = 
D. x = 
, y = 
Solve.9x = -18
A. 27 B. -27 C. 1 D. -2
Solve the following problem. Be sure to make a diagram of the situation with all the given information labeled. ? The two equal sides of an isosceles triangle are each 46 centimeters. The base measures 30 centimeters. ? Apply the rules regarding the use of significant digits when determining your answers. Round to the nearest units. ? Find the height. ? __________ cm ? Find the measure of the two equal angles. ? __________º
What will be an ideal response?
Write the standard form of the equation of the circle with radius r and center (h, k).r = 6; (h, k) = (-7, 6)
A. (x + 7)2 + (y - 6)2 = 6 B. (x - 7)2 + (y + 6)2 = 6 C. (x - 7)2 + (y + 6)2 = 36 D. (x + 7)2 + (y - 6)2 = 36