This may be a little hard to read but could someone ? really troubled with it (picture)

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

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

What is the volume of a cone with a height of 6 cm in the radius of 2 cm