There are 9 showings of a film about endangered species at the science museum. A total of 459 people saw the film. The same number of people saw the film at each showing. About how many people were at each showing ? Select the numbers the quotient is between.

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Which expression is the factorization of x^2+10+21

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?