To add or subtract algebralc fractions, or numerical fractions, the fractions must have a common denominator. True
False

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

Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).