Answer:
4
Step-by-step explanation:
(-2)^2
= 4 i think
-4
x^2+4x+5=0
a=1,b=4^1 C=5
4^2-4×1×5
32 at least
7) G
8) F & G
9) H
i think this is right, hope i helped :)
1.28571428571
9/7+1.2 in all
7 = 3x − 1
