Elliot received a discount of 30% on sheet music. If he received a discount of $13.45, what was the original cost of the sheet music?

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

5x−4≥12 or 12x+5≤−4 can you with this problem

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]