Heidi makes stuffed toys. the initial cost for the raw material is $100 for 30 stuffed toys. every stuffed toy she makes earns her $10. which graph represents the profit made by heidi for x number of stuffed toys sold?

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?

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?

Asphere has a diameter of 10 in. what is the volume of the sphere?