Sally started with $76.50 in her piggy bank and spends $4 of her money each day. Taylor started with no money in her piggy bank and adds $4.50 each day. How many days, x, are needed for Sally and Taylor to have the same amount of money in their piggy banks? PLS HELP!!

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?