Answer:
D) 
Step-by-step explanation:
Basically, if you plug in the x and y-coordinates into an equation, both sides should work out to be equal to each other:
Since
, we can eliminate choice A
Since
, we can eliminate choice B
Since
, we can eliminate choice C
Therefore, since
, then D is correct. Also, 
Sin⁻¹ √2 = 1/√2 = 1(√2) / (√2)(√2) = √2/2
Answer:
9/18, 19/16, 5/4, 3/2
Step-by-step explanation:
Remember that 16%=16/100=0.16
If it rains 16% of the time, out of 400 days...
400*0.16=64days
you can predict they'll get 64days of rain
Answer=64days