Given a right triangle with legs a and b and hypotenuse c, find the lengths of side b if: a=2 root 3, c=2b PLEASE HELP

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

Find the root(s) of f (x) = (x- 6)2(x + 2)2.

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.