Answer:
Step-by-step explanation:
cos θ=12/16=3/4=0.75
θ=cos^{-1}(0.75)≈41.4°
i dont know
Are you telling us to answer it all?
68 aliens
Take the fraction of aliens that had 3 eyes and multiply by the number of aliens
17 / 40 * 160 =
17 * 160/40
17 *4
68
D= {-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6}
R={-6,-5,-4,-3,-2,-1,1,2,5)
