Answer:
whatever 31-18 is i think
Step-by-step explanation:
Answer:
the domain is the legal values of x, while the range is all the legale values of y
Step-by-step explanation:
Vertex form for a parabola with vertex (p,q) is

We have (p,q)=(-4,5) and another point (-3,2) so we can solve for <em>a:</em>



Putting it together,
Answer: 
We could multiply that out if we like but I won't bother.
Answer:
Yes, Kedir made profit.
Step-by-step explanation:
0.30 x 200 = 60 Birr
60 Birr is more than 50 Birr
He made profit of 10Birr, which is 20% of 50 Birr