Abookstore has a sale: jen wants to buy four books: for $10.00, for $12.00, for $15.00, and for $20.00. what is the smallest she could pay for these books during the sale? by what percent would the sale reduce the total cost of these four books?

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

Which equation represents the function on the graph?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )