Your friend has a collection of cds. 2/3 of the cds have booklets, 1/2 of the cds are singles, and one for our singles with booklets. all but two of the cds are either singles or have booklets or both. how many cds does your friend have

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

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

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25