Problem #5
hannah recently took two tests. she
made a 70 on this week's test and an
80 on last week's test. by what
percentage did her grade change?
her grade decreased by 12.5%.

Asegment in the complex plane has a midpoint at 7 – 2i. if the segment has an endpoint at 11 – 3i, what is the other endpoint?

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?

What is the measure of sty in oo below? 130 310 230 50