Rationalize the denominator and simplify. square root of 2/5

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

Are the corresponding angles congruent? explain why or why not.