Pls help in Geometry Proving Given: Right triangle ABC, CD is an altitude
Prove: ∆ABC~∆ACD, ∆ABC~∆CBD, ∆ADC~∆CDB

Need on this geometry question. explain how you did it.

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. determine an equation to model his situation?

Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.