When y=_7, find the value of 2y2- 9

So me with this math problem. find the value of x the table shows the masses of 50 eggs. mass: 40-44 eggs: 6 mass: 45-49 eggs: x mass: 50-54 eggs: 12 mass: 55-59 eggs: 10 mass: 60-64 eggs: 7 mass: 65-69 eggs: 2 you!

Pranza plotted point a in the coordinate plane below.

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.