Plsss... I’ve to submit it tonight

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

Y= x – 6 x = –4 what is the solution to the system of equations? (–8, –4) (–4, –8) (–4, 4) (4, –4)

Sections of prefabricated wood are each 5 1/3 feet long. how long are 7 1/2 sections placed end to end?