On saturday, the bookstore sold x books. on sunday, the bookstore sold 2 more books than on saturday.

which expression represents the total number of books sold over the weekend?

2x

x + 2

2x + 2

2(x + 2)

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

With both problems. a.s.a.p directions on photo ^