How to divide -6.8 divided with -7.4

What is the range for 31,39,29,34,37,24,36,33,34,28

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.

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.