Which graph represents the solution to the system of inequalities? x + y ≤ 4 y – x ≥ 1

Which value would be a solution for x in the inequality 47-4x< 7

What is the rate for one gallon of gasoline

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)