Prove the following identity. Please help, this is my final test for this class​

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?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!