Solve the fraction problems and reduce the answer to its lowest form:- 1)5/8×39/10
2)1/3×9/10
3)3/4×2/3

Geometry ? i don't know how to do any of these.

Sara sells beaded necklaces she makes a profit of 4 dollars pn every neclace she sells which table represents the profit sara makes

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?