Carl worked six and one-half hours on Monday. He worked eight and two-third hours on Thursday. How many hours did Carl work all in

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?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Using inductive reasoning, what is the next two numbers in this set? 1,-7,13,-19 i got the numbers 14,-26 is that right?