If the area of a triangular prism is 300 and the height is 3 what is the area of the base?

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!

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Whose conclusion is correct? choose all that apply. (two max) elijah emily edward esme