16. Show your work and check your answer(s).
√2x-1+7=4

The triangles are similar. what is the value of x? show your work.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

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?