Ruby needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 3.25 hours and charged her $175 for parts. The total was 483.75. What was the cost of labor, or hour ?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Write an equation for the function that includes the points (2,100)and (3,100)

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries