At gary's store, for every 8 bottles of water sold, he sells 9 bottles of soda. gary sells 255 of these drinks. how many of these drinks will be water?

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

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.

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.