A store sells a pair of wireless headphones for $80. The headphones are on sale for 20% off.
Sales tax is 6.5%. What is the total cost of the
headphones?

If the value of cos330°is√3/2 then find cos 165°.

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?

Use this graph to find the cost of 6 show tickets