This expression represents the average cost per game, in dollars, at a bowling alley, where n represents the number of games: 3n+7/n

What is the average cost per game if James bowls 4 games?

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions. a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

What is the slope of the line that contains the points (-2,1) and (0,-3)

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.