A freight train travels at 30 mph. If the freight train is 300 miles ahead of an express train traveling at 55 mph, how long will the express train take to overtake the freight train? Which equation could be used to find the number of miles the trains will travel? A. 30x = 55(x + 300) B. X÷30 = (x - 300)÷55 C. X÷30 = (x + 300)÷55

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4

the square root of what number? if you add that, then someone will probably answer the question.

when rotating a figure 180 degrees, imagine that you are able to take the figure and turn it clockwise or counterclockwise around a center point. to rotate a figure 180 degrees, you will need to apply the rule (x, y) → (-x, -y). start by using a coordinate grid with coordinates for each vertex of the figure. the center point of the coordinate grid is located at (0, 0), which is what you will rotate the figure around. write down the original coordinates of the shape you are going to rotate. then, apply the rule. for example, coordinate (1, 2) becomes (-1, -2). another example would be, coordinate (-4, -2) becoming (4, 2). after you change each original coordinate to the rotated coordinate, you will draw your new figure.

step-by-step explanation:

b. 2 and 4

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