HELPP I WILL GIVE BRAIN

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Common binomial factor of 6x(3x+7)+5(3x+7)

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?