Which two winding rates represent a unit rate 2/3 of foot per second? Reel V winds 1/4 foot in 3/8 second.

Reel W winds 2/5 foot in 1/3 second.

Reel X winds 1/3 foot in 12 second.

Reel Y winds 5/6 foot in 5/9 second.

Reel Z winds 1/2 foot in 1/6 second.

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Find the domain and range of the following function f(x) = 51x - 21+ 4