What is the value of 4p -2 when p= 8

Evaluate cos2θ for cosθ = square root of 3/2

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

Indicate the formula for the following conditions: p^c(n,r)=