Answer:

Step-by-step explanation:

Cos 300 = Cos ( 360 - 60)
= Cos 60

Answer:
use desmos
Step-by-step explanation:
just type it in for easiest answer
Answer:
x can = anywhere from 8 to infinite because x has to be greater than 8 at least
Step-by-step explanation:
.10x + .05y = 4.50
x + y = 30
Is the formula
I'm pretty sure it's D unless somebody can tell me where they got the 0's from for C, I'm planting my foot down and saying D.