Answer:

Step-by-step explanation:
Use the inverse cosine function.



Answer: 
Step-by-step explanation:




Answer:
Y intercept is (0, 5)
**Working on the others** will edit this answer when i get them
Answer:
C because i looked it up here is the answer
Step-by-step explanation:
can i please have brainlist
Answer:
$68,840
Step-by-step explanation:
70,000*12%=8,400
8440+64,440=$68,840