Simplify
6) -7.7(5.1 - 4.9m) + 3.5

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?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

How many triangles can be constructed with three angles, each measuring 64 degrees? a.) more than one b.) one c.) none