Triangle QRS maps to Triangle XYZ with the transformation (x, y) → (5x, 5y). If QS = 7, what does XZ equal?

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

Find the domain of the following expression: 1/(√x)-2

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)