9a)
4x - 2 + 30 = 68
4x + 28 = 68
4x = 40
x = 10
9b)
y = 180 -68
y= 112
5+5=10 - Children
5+3=8 - Adult
8+8=16
10+16-26
-9-(-12)=-9+12=3
-9-12=-9+(-12)=-21
Answer:
Vertex plot is (1,4)
and
second plot point (0,6)
Step-by-step explanation:
You can use the the desmos graph calculator by entering quadratic function f(x) = 2x^2 − 4x + 6
8 is to 64 as 2 is to 16
x=16