What is the asymptote of the parent function y=2×

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?

Tan198=asin164=? how to solve this? ?

Which of the following circles have their centers in the third quadrant? check all that apply.