Which function h(x) results when g(x) is translated 7pi/8 units right and 1 unit down

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Combine like terms to make a simpler expression 3z+z

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost