Simplify:(⅓x²-8y) and (⅓x²+8y). Also find its value when x=1 and y=3

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

The parabola opens: y=√x-4 (principal square root) up down right left

The trigonometric ratios sine and secant are reciprocals of each other