10 pts + brainliest for the best answer.

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

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.