Answer:
396°
Step-by-step explanation:
Difference = 357 -(-39) = 357+38 = 396°
I do not know but i am going to still glith the server if you need help go to google
5x^2-45=0
<em>*Add 45 to both sides*</em>
5x^2=45
<em>*Divide both sides by 5*</em>
x^2=9
<em>*Take the square root of both sides*</em>
x=+/-9
Hope this helps!!
So it would by 4/10. simplify that and its B. 2/5