Answer:
it looks good
Step-by-step explanation:
Part A:
y=mx+b
621=83(7)+b
Part B:
621=83(7)+b
621=581+b
621-581=b
b=40
Insurance cost is 40$
Sin=90 and cos=90 okurwelcome
Ill recomment on my thing right now with the answer let me just go read up on how to do this
1.) Twenty five minus six