Which shows all the equations that represent the same solution? 1. 7x - 5 = 8x

II. 5x + 11 = x-5

III. 3x - 3 = 4x + 1

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

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?