What is the first quartile, q1, of the data represented by the box plot?

enter your answer in the box.

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.

Solve 13 + w/7= -18 (w/7 is a fraction)

Find the exact value of cos(arcsin( one fourth for full credit, explain your reasoning. (2 points)