FAST PLEASE! The correct mixture of oil to gas in a weed eater is ½ pint of oil to 5 gallons of gas. How many pints of oil are needed for 20 gallons of gas?

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If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)