What is the solution to the system of equations below? s 2y = x + 6
1 3.x = y +7
(20, 13)
(13, 20)
(5, 4)
(4, 5)

Can someone me with my hwplz(only the circled ones)

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?