If 3x+y=6, what is the value of 6x+2y

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 sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

Factor the polynomial. b^2 + 4b + 4