Cho M, N,P, Q là các điểm di động trên các cạnh AB, BC, CD, DA của hình vuông cạnh a. Giá trị lớn nhất của S= MN^2+NP^2+PQ^2+QM^2 là A. 3a^2 B.4a^2 C.6a^2 D. căn 5a^2

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

What is the simplified form of square root of 400 to the 100th power ?