Calls from a call box are charged per minute at one rate for the five minutes, then a different rate for each additional minute. if a 7 minute call costs $4.25 and a 12 minute call costs $5.50, find each rate.

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

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?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.