Solve the problem. make sure your answer is in simplest form and improper fractions are expressed as mixed numbers. 3/5 times 4/5 a. 12/25 b. 3/4 c.7/25 d. 7/10

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Find the area of the regular hexagon if a side is 20 cm.

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?