Answer:
1st
Vertex
we have
f(x)=x²-18x+88
let
y=x²-18x+88
comparing above equation with ax²+bx+c
we get
a=1
b=-18
c=88
now
vertex(x,y)=(-b/2a,f(-b/2a))
x=(18/2×1)=9
y=f(9)=9²-18×9+88=7
SO
VERTEX(X,Y)=(9,7)
=
Answer:

Step-by-step explanation:
Art bought
and
yards of fabric.
Total fabric bought: 
To add both fractions, we convert them into improper fractions (multiply denominator with whole number, then add the numerator) and then we find the LCM of the two denominators: 12 and 16
LCM of 12 and 16 = 48

We reduce this fraction to mixed fraction (or reduce if possible), since 1027 and 48 have no common factors.
=
yards
Answer:
216 sq units
Step-by-step explanation:
Answer:
-2a+5b+5
Step-by-step explanation:
Answer:
c
Step-by-step explanation: