HELPPP ITS A TEST HELP PLS

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

Change negative exponents to positive, then solve

E. which of the following is not a possible probability? a. 25/100 b. 1.25 c. 1 d. 0