Need on these questions! if anybody could that would be great! this is due at 9p. m.

Which of the following are accepted without proof in a logical system? check all that apply.

2x minus y equals 6, x plus y equals negative 3

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?