Which shows the correct order of steps to solve the equation? 4/5 ( a+10-2) = 76? step one: 4/5 (a+8) =76 step two: 5/4 * 4/5 (a+8)=76*5/4 step three: a=87 step four: a+8-8=95-8 a) 4,2,1,3 b) 2,1,3,4 c) 1,2,4,3 d) 4,1,2,3

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

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

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?