Answer:
Step-by-step explanation:
yz+4z=z-y²
yz+4z-z=-y²
yz+3z=-y²
z(y+3)=-y²

Answer:
7. Always, Veritcal Angle therom
8. Never true, it will never add up to 180 degrees
9. Never true, it will never add up to 90 degrees
10. Never true, Angle 8 and 5 are not vertical with one anouther.
11. Sometimes
12. Yes it is possible.
Answer:
4/9 times 2/1 and 8/9
Step-by-step explanation:
ya know its called trust? :) this is right. F edgenuity
Standard: x=4
implicit: x-4=0
Obviously, 2013. 2013-2014 (1 year) 2014-2015 (2 years) etc etc