Can a math expert please help me with this? I will give good amount of points and brainliest of course

Rationalize the denominator- 12x/√x-10

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get