Answer this question and ill give out brainliest

Gimme a reason

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Which representation has a constant of variation of -2.5