Cho hình chóp S. ABCD đáy ABCD là hình thang, AD=2BC. Gọi I là trung điểm AD, M là điểm thuộc SD. Xác định thiết diện của hình chóp cắt bởi mặt phẳng (MBI)

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Acircle has a circumference of 28.36 units what is the diameter of the circle