Precise approximation of squar root of 12

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did