A straight path that goes on forever in both directions is a(n);

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?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl