3. what is the inverse of division?

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

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

In the diagram below,abc is congruent to dec what is the value of x