A woman bought some large frames for $19 each and some small frames for $4 each at a closeout sale. If she bought 12 frames for $93, find how many of each type she bought. She bought ___large frames.
She bought
small frames.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid