A photocopying machine can produce 420 copies in 35 minutes. Find its rate of production of copies per hour.

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Deshawn uses 3/4 of a box of rice to cook dinner the portion he uses weighs 12 ounces right and solve an equation to find the weight of the full box of rice