The area of the circle below is 28.26. what is the diameter?

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?