An electrician charges $50 to come to my house plus $75 per hour. When he was finished, my bill was $350. How long was the electrician at my house? PLEASE HELP!!

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

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

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"