The side length of an equilateral triangle is x + 3. Write an expression for the perimeter of the triangle. *

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

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?