Can someone help me with 10 questions? (If you answer correct i will try and make a question for you to answer for 100 points and (if you want to answer beware the subject is math)

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal