Sarah bought a 16 ounce jar of strawberry jam for $3.20. what is the unit price

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.