7x²=9+x
so
for
0=ax²+bx+c

so
7x²=9+x
mins 9 from both sides and minus x
7x²-1x-9=0
a=7
b=-1
c=-9


so the 4th one
Answer: its 432cm=m cubed
Step-by-step explanation:
im not telling you
Answer:
B ; Point B
Step-by-step explanation:
Answer:
17
Step-by-step explanation:
f(x) = x + 8
f(9) = 9 + 8
= 17
X can be 4 or -4
As a minus by a minus is a positive