Answer:
3.5%
Step-by-step explanation:
Interest = 10100 - 8000 or 2100
I = Prt
2100 = 8000(9/12)r
2100 = 600r
2100/600 = r
3.5 = r
Answer:
2 bc cos A
Step-by-step explanation:
Cosine rule
The answer is -34 cause if x is -7 and y is 3 then you know you switch em out and do the thing and get the answer.