Frank's football gear is having a sale on helmets. the sales price, not including tax is $125.50. if the sale is 30% off all helmets, what is the regular price of the helmet to the nearest cent?

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?