Which of these rate descriptions represent unit rates? Check all that apply. 100 calories for 2 servings
$5 for every pound
1 mile per 3hours
words per minute
$2 for every 30 minute

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

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

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.