May you please help me with this question!

In the rectangle below ac=30 units what is de

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

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?