Answer:
TU=4
Step-by-step explanation:
WU cuts the triangle in half (hint- angleTUW=90°)
so VU=TU
therefore, TU=4
The correct answer is C. One
Answer:
its A
Step-by-step explanation:

is the same thing as

. We can rewrite this as

. Or course this is not simplified, so we can simplify to get

.
Answer:
Step-by-step explanation:
X^4+x=0
X(X^3+1)=0
X(X+1)(x^2-x+1)=0
X=0, x=-1, x=(1+3^1/2i)x=(1-3^1/2i)