PLEASE HELP 2) Describe how you would determine the P-value for a hypothesis test concerning a standard deviation.
3) Describe how you would determine the critical value(s) to test a hypothesis concerning a standard deviation.

What is the vertex form of f(x) = x2 + 6x + 3

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2