Ezra grew 120 plants with 40 seed packets. With 84 seed packets, how many total plants can Ezra have in his backyard? Solve using unit rates.

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?