David spent four hours babysitting. He charges $24 upfront and then an additional charge per hour. The total amount he earned can be represented by the expression $4x + $24. What expression represents the amount he earns each hour? IRCLE KEY NUMBERS $4x + $24

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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?

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?