The bar graph shows the numbers of reserved campsites at the campground for one week. What percent of the reservations were for Friday and Saturday? The site is big ideas math page 231, number 28.

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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?

Which of the following three dimensional figures has a circle as it’s base