Please help thank you if you do

Classify the following triangle check all that apply

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?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1