Agroup of eight grade 11 and five grade 12 students wish to be on the senior prom committee. the committee will consist of three students. what is the probability that only grade 12 students will be elected, assuming that all students have an equal chance of being elected?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin