Find the missing variables and state the similarity ratio
Please help me with this

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

How do you use the elimination method for this question? explain, because i really want to understand!

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2