Given that abcd is a rhombus prove ac bisects BCD 80 points please answer

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2