It took tony 5/6 hour to do his math homework. it took marge 9/10 of tony's time to do her math homework. which statement is true?

a. it took them both the same amount of time.
b. tony spent less time doing his project than marge
c. tony spent more time doing his project than marge.

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

How do you use the elimination method for this question? explain, because i really want to understand!

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance