Answer:
x = 9
Step-by-step explanation:
4x+5=41
To solve for x, we subtract 5 from each side
4x+5-5=41-5
4x = 36
Divide each side by 4
4x/4 = 36/3
x = 9
Answer: D
Step-by-step explanation:
Use the law of cosines to find a:

So to use the given numbers you get:

Which would come out to equal about 35.94
so a=35.9
Answer:
P=.75n
Step-by-step explanation:
P=(1-discount)n
=(1-.25)n
=.75n