The clock models the length from the center of a clock to the tip of the minute hand as being 28 inches. Which of these is the closest to the total area covered by the minute hand when the hand makes one rotation?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )