Anastasia is grocery shopping with her father and wonders how much shopping is left to do. “we already have 60% of the items on our list,” her father says. Anastasia is 12 items in the cart. How many grocery items are on the list?

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Icould really use some with this question.