Amovie theater has 250 seats. 3,250 tickets were sold at the theater last week. how many movies were shown at the theater last week if every person who bought a ticket saw a movie and every seat was filled for each feature?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then