Jasmine had 11 friends over at her house. everytime the doorbell rang 2 more friends arrived. the doorbell rand 3 times. how many friends did jasmine have altogether

99 points at a zoo, the leopard pen has a ring-shaped sidewalk around it. the outer edge of the sidewalk is a circle with a radius of 12 m. the inner edge of the sidewalk is a circle with a radius of 8 m. (1 point for showing all of your work) a. write and simplify an expression for the exact area of the sidewalk. (1 point for the answer) b. find the approximate area of the sidewalk. use 3.14 to approximate π. (1 point for the answer)

Which graph represents the equation y =4x

What is the rate for one gallon of gasoline