Answer:
x=3
Step-by-step explanation:
-3x=-7-2=-9
x=-9/-3=3
Sec x is equal to 1/cosx, cot x is equal to cosx/sinx. cos x cancels, and you are left with 1/sinx. this is equal to cscx. Cosecant is : hypotenuse / opposite, so the answer is **D**
Answer: -6/4 or 3.66666666666667
Ok ok I know you hate links but this is the only way to show you the answer.
Full credit to the original owner
https://www.quora.com/What-is-the-probability-that-both-marbles-are-green-if-a-bag-contains-3-green-marbles-and-5-purple-marbles-and-two-are-drawn-at-random-without-replacement
The entire answer is explained in there