How can you use the properties of operations to evaluate this expression? 18 + 4(28)

Ineed me i stuck and i don’t want to get it wrong

What is the simplified form of 400x100 ? o 200x10 o 200x50 0 20x10 • 20x50

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?