Find the coordinates of the points on r = a (1 + cosx) where the tangents are parallel to the initial line x=0

In the diagram of circle a what is m

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

In angle pqr find the measure of