ella's town has a pool for older kids to swim and a small wading pool for parents to bring smaller children to play. after a cold rainfall, the older kids jumped right back into the larger pool . but all of the parents bought their smaller children home because the water was too cold. how could ella model this are for her classmates?

a.) place a larger container of warm water next to a small container of cold water.
b.) add a small amount of cold water to both a large and small container of warm water.
c.) add several ice cubes to a large container of water and one ice cube to a smaller container.
d.) place models of older kids in a large container of water and models of smaller children in a smaller container of water.

Which of the following statement about pascal's triangle are true?

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Design an er diagram for keeping track of information about votes taken in the u.s. house of representatives during the current two-year congressional session. the database needs to keep track of each u.s. state's name (e.g., texas', new york', california') and include the region of the state (whose domain is {northeast', midwest', southeast', southwest', west'}). each congress person in the house of representatives is described by his or her name, plus the district represented, the start date when the congressperson was first elected, and the political party to which he or she belongs (whose domain is {republican', democrat', 'independent', other'}). the database keeps track of each bill (i.e., proposed law), including the bill name, the date of vote on the bill, whether the bill passed or failed (whose domain is {yes', no'}), and the sponsor (the congressperson(s) who sponsored - that is, proposed - the bill). the database also keeps track of how each congressperson voted on each bill (domain of vote attribute is {yes', no', abstain', absent'}). additional information: