What is the q1 (first quartile) for the data set?

11, 6, 19, 14, 21, 7, 13, 15, 15

a. 8
b. 9
c. 15
d.17

Which equation can be simplified to find the inverse of y = 2x2?

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12