Please help me! i dont know what to do... And my weekend depends on you

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

Identify the number 127 as a rational or irrational. explain

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.