If(2x-y)=4 then (6x-3y)=?​

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?