They bought 4.5 gallons of water and left it on the picnic table while they went on a hike. the raccoons busted in and drank 7 quarts of water on the first day. how many full gallons do they need to replace if they want to have exactly enough for the next three days. will they have any extra? if so, how much?

1. what is the measure of ∠abc? what is the measure of ∠abd?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?