Is (2,-2) a solution to y is less than or equal to 2x-3

Draw a tape diagram to represent each situation. for some of the situations, you need to decide what to represent with a variable andre bakes 9 pans of brownies. he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters