Isaac has 21 green marbles and 7 blue .he wants to place them in identical groups without any marbles left over. what is the greatest number of groups isaac can make

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Is this a polynomial function? i need to know asap

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall