You have 20 shirts in your closet. 4 blue, 7 red, 3 green and 6 black. you pick one without looking. what is the probability that you pick a blue or black shirt?

18 of the last 30 cars that passesd you were black. what is the probability the next car will be black?

five out of 8 bags of m& ms had exactly 32 pieces in them. how many bags out of 40 should have exactly 32 pieces?

there are 18 girls and 12 boys in your class. what is the probability that a new kid entering your class will be a boy?

barb ate six cheeseburgers in the last four months. how many do you predict she will eat in two years?

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

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: