1) Solve this system of linear equations by elimination. 2x+4y=8
3x=12+4y

*x=4,y=0
*x=3,y=1
*x=3,y=0
*x=4,y=1

please answer step by step

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)

Collin did the work to see if 10 is a solution to the equation r/4=2.4

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?