Answer:
D=90° E=103° F=77°
Step-by-step explanation:
D+90°=180°
D=90°
F+103°=180°
F=77°
E + F=180°
E=103°
A commercial bank is a bank<span> whose main business is deposit's and making loans.
</span><span>Investment banks take </span><span>the purchase and sales of bonds, stocks and other </span><span>investments.
</span>
Hope this helped :)
I believe your answer is going to be C.
Normally when you're gathering sources it depends on what the topic is, what time or day, you try to find facts, and you see if there are any other useful information.