Jeff starts driving at 45 miles per hour from the same point that lauren starts driving at 40 miles per hour. they drive in opposite directions, and lauren has a half-hour head start. how long will they be able to talk on their cell phones that have a 270-mile range?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

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