Show that x^2-8x+20 can be written in the form (x-a)^2+a. Where a is an integer

Write an equation in standard form of the line that passes through the point and has the given slope. ( -2, 4) ; m = -6which of the following best describes the technique used to graph the equation using the slope and y-intercept? y = 5x + 10write the standard form of the equation of the line through the given point with the given slope. point , 4); slope -3/2

How much orange juice do you need to make 2 servings of lemony orange slush?

Asap! i'm not good math and i'm lost.