Atrain travels 93 kilometers in 4 hours, and then 78 kilometers in 5 hours. what is its average speed?

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125