One hundred 50 cent coins have a mass of 690g. what is the mass of one 50 cent coin?

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?

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

Jonathan can throw a baseball 10 1/3 yards. his brother joey can throw a baseball 13 1/2 yards. how much father can joey throw the ball?