Olivia has 21 coins in her drawer. nine of the coins are nickels, and the rest are pennies.
what is the total value of the coins in her drawer?

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9