The speed of a passenger train is 18 mph faster than the speed of a freight train. the passenger train travels 270 miles in the same time it takes the freight train to travel 180 mph. what is the speed of the passenger train?

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

Identify the function that contains the data in the following table: x     -2         0         2         3         5     f(x)     5         3         1         2         4     possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1