The cost in dollars of making n feet of cabinet is represented by c equals 18n + 45. how many feet of cabinets are made when the cost is $441

Simplify the expression below -3(10x+4y)+6(6x-2y)

Shelly bought a house five years ago for $150,000 and obtained an 80% loan. now the home is worth $140,000 and her loan balance has been reduced by $12,000. what is shelly's current equity?

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?