Answer:
3.46 or ..

Step-by-step explanation:
because you use sin(60) = 3/u
Answer:
The first and third is correct.
Step-by-step explanation:
I'm not a expert but I know its right.
Answer:
The answer is : 2/3
Step-by-step explanation:
2+9x^2=6
9x^2 = 6 - 2
9x^2 = 4
x^2 = 4/9
x = √(4/9)
x = 2/3
If I remember right the answer is c