Michael is packing his bags for his vacation. He has 9 unique shirts, but only 5 fit in his bag. How many different groups of 5 shirts can he take?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

What is the gcf of 20c^3-5c^4+30c^6

If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p