The cost (in dollars) of items on a lunch menu are 9, 14, 6, 16, 10 what is the mean

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?