This is a test. What is (364 x 476)^-100 +30

What is a rational number between 9.5 and 9.7

If you answer 2+2 you will get over 80 points

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.