Cho tam giác cân ABC (AB=AC). Các tia phân giác của góc B, C cắt AB, 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

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

To decrease an amount by 16% what single multiplier would you use