ABCD is a quadrilateral with diagonals AC and BD intersecting at P, and AC is perpendicular to BD. also AP = PC = BP =PD

Prove that:
1) AD = AB
2) AC bisects BÂD
3) BÂD = 90°
4) ABCD is a square​

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

If you are just building your payment history, how many points from a perfect score will you possibly miss?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300