Answer:

Step-by-step explanation:
Given that,

We need to find the value of cos x.
We know that,

Using the above relation,

So, the value of cos x is equal to
.
B, because you can't get the square root of a negative number
Answer: u= 
Step-by-step explanation:
uw + uq = r To solve for u factor the left side to eliminate the other variables.
u ( w + q) = r Now divide both sides by w+q
u =
Answer:
Square: 
Vertex: (10,-68)
Step-by-step explanation:
-32xy-25 try dat anyways have a nice dayyyy byeeeee