Liang is ordering new chairs and cushions for his dining room table. A new chair costs $61 and a new cushion costs $18. Shipping costs $20. The expression 61c + 18c + 20 gives the total cost for buying c sets of chairs and cushions. Complete the simplified expression by combining like terms.

The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?