X=1 and y=3

2x+3y-2

plsss helpp <3

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

What is the missing step in this proof ?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.