Sharyn needs 3.5 yards of fabric to make a dress for herself and 2.25 yards of the same fabric to make a matching dress for her daughter. if she buys 6.5 yards of fabric, how much will she have left over? 1) 3 3/4 yards 2) 5 1/2 yards 3) 5/8 yards 4) 4 yards

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?