Darcy gave her nail technician a ​$5.40 tip. The tip was 20% of the cost of the manicure Write an equation to find​ b, the cost of the manicure

An equation where variables are used to represent known values—function notation true or false

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project