Amarble is drawn at random first from a jar containing four black and four white marbles, and then from a jar containing six black and two white marbles. what is the probability of drawing two black marbles?

For each proportion find the unknown number x 1/5/8=×/15

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

If johnny ate 5 cans of sugar, but in the kitchen they only had 3. what did johnny eat? (he found a secret stash btw.)