The area of this rectangle is 165sq meters . the width is 22 meters. what is the perimeter?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3