A plumber charges a service fee of $40 plus $25 per hour for labor. Write a function rule for the total cost of hiring the plumber for a job that takes x hours. How much would it cost to hire the plumber for a job that takes 4 hours?

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read