Cho hình chóp SABCD, M thuộc là AC, N thuộc BC, K thuộc SA sao cho MC= 1/2 AC, N, K là trung điểm BC, SA. Xác định giao tuyến: a/(KMN) và (SAB)
b/(KMN) và (SBC)

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

When the ball has traveled a distance of