I just hear my mom talkin abot come wat dose that meen

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!

Find the slope of a line given the following two points

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)