cho tam giác cân ABC ( AB=AC) . Các tia phân giác của góc B, C cắt AB và AC tại E, F . Chứng minh BE=CF . Gọi I là giao điểm của BE và CF . Chứng minh AI là phân giác của góc A

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

If g^-1(x) is the inverse of g (x) which statement must be true