|8w+2| + 2=0

Show work please

Which expression is equivalent to 3^3 + 2^2?

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.

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)