D/2 = 9-3 = n/7t/-3 = 52/5 r = 82.5 = b/7v/-4 = -9-50 = 10y2p = 203m = 3-12 = -6x14y = -26 = 0.5k

Use the numbers in the multiplication equation 45 x 1/9 =5 to write a division equation involving division by a fraction.

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500