The radius of a circular disc is 0.25 meters. What is the approximate circumference?

a shoe store sold 53 pairs of shoes on monday amd 35 pairs on tuesday. on a wednesday, the store sold as many pairs of shoes as rhey sold on monday and tuesday combined. they sold half as many on thursday as wednesday.

an equal number of men and women were randomly selected and asked how many hours a week they spend exercising.

Which of the following is the greatest? A. 40% of 30 B. 3/5 of 25 C. 6.5% of 200 D. Five more than the square of 3 E. 1/2-4

If 1 is added to the numerator and to the denominator of a fraction, the value obtained is 4/5. If 5 is subtracted from it's numerator and from it's denominator, the resulting value is 1/2. Find the fraction.

It took Margie 2 1/4hours to write a 1 1/2 page research paper. What was her hourly writing rate

Suppose that textbook weights are normally distributed. You measure 28 textbooks' weights, and find they have a mean weight of 76 ounces. Assume the population standard deviation is 12.3 ounces.

ABC Bookstore rents a storage space that is 75 ft x 50 ft and 15 ft high. It is charged $2.50 per square foot. How much does ABC Bookstore spend on storage space? O A. $140,625 O B. $9375 O C. $2500 O D. $3750

31/9 as a mixed number

Find 4x when 3x equals 3

Solve 64x3 - 1 = 0.