Sam makes some read rolls. he gives 2/5 of the bread rolls to his neighbor and 4/9 of the remainder to his cousin. he has 15 bread rolls left. how many bread rolls does sam make?

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : ”0 )

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles