the hell why have you delete my questions and answers I need my all points back help me out guy's​

If a(x) and b(x) are linear functions with one variable, which of the following expressions produces a quadratic function? (ab)(x) (a – b)(x) (a + b)(x)

How much hazardous chemical waste is produced per year in the us? a) 25 million metric tons b) 100 million metric tons c) 250 million metric tons d) 700 million metric tons e) 950 million metric tons

Aperiodontist mainly treats patients with