What is the y-intercept (b) of the line? (Use frame 5 in Jamboard to answer this question) please help

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75