Which of the following equations will be the graph of a parabola? y = 5x + 12

y = x^2 - 2x + 3

3x^5 - 6x^3 + 4x + 12

y = 2 ⋅ 3^x

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)

The diameter of a table is 5 feet. what is the circumference

Lorenzo ate 2/5 of his bag of almonds. his 4 friends ate equal shares of the remaining bag of almonds?