Which expression completes the identity cos u cos v=

Which of the following is the equation of a line that passes through the point (1,4) and is parallel to the x-axis a. y=1 b. y=4 c. x=1 d. x=4

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.