Rewrite sin (11x) cos (2x) as a sum or difference

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.