Answer:
y=14.33
Step-by-step explanation:
- Add 4 to both sides you should get 12y=172
- Now, divide both sides by 12 and you should get y=14.33
Hack: the x value of the vertex (or h) can be found directily from f(x)=ax²+bx+c
so
for f(x)=ax²+bx+c,

so
given
f(x)=1x²+10x+35,

=-5
h=-5
13.6
Get a A.. lol
but i'm not sure its right
Answer:
A and B
Step-by-step explanation:
A triangle is a triangle if the sidelengths, a, b, c, in increasing order, satisfy the condition that a+b > c
only A and B satisfy that condition