Answer:
Step-by-step explanation:
i think that the answer is a, because the def of natural numbers match's and there all integers.
-3^2 = (-3)(-3) = 9 (because a negative times a negative is a positive)
Answer:
D.51.34°
Step-by-step explanation:
tan(angle wvx)=WX/WV
i.e,tan(angle wvx)=5/4=1.25
i.e,angle wvx=tan⁻¹(1.25)
=51.34°