Given `∆QRS≅∆TUV,` QS = 5v + 2, and TV = 8v - 7, find the length of QS

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?