Answer:
I believe the answer is the second one but take precaution i haven´t done them in a few years so be careful.
Step-by-step explanation:
Answer: $30,904.49
Step-by-step explanation:
I’m not sure if I did this right but it was the same was as the other question
Answer:
I believe the answer is C. 90 degrees
Step-by-step explanation:
First you find the lengths of the two vectors, which are both 
. Then you find the angle given the cos using: cos(∅)=
= 
= 0. Then using ∅=acos(0)=
= 90°
T-shirt costs $4
Sweater costs $4(4)
Sweater costs 4 x 4
4 x 4 = 16
Sweater costs $16
hope this helps
