What is the sum of (–2.1x + 3.7) and (5 + 4.9x)?

Any greatly appreciated! you in advance. 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's 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? a.$65.00b.$5288.00c.$210.00d.$310.00

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish