Anyone please help me i'm not sure how to do this and please give clear instructions

The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

Plzzzz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.