Is x2+8x+16 a perfect square?

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

Which one is the correct answer, and why?

During a wright loss challenge your friend goes from 125 pounds to 100 pounds. what was the percent weight loss