Answer:
Step-by-step explanation:
Our equation will be 3x+8=20.6
3x=12.6
x=4.2
Answer:
c 7
Step-by-step explanation:
5a^3 + 9a^2 +7a+4
The coefficient of a is the number in front of a
Answer:
8
Step-by-step explanation:
Δ=b²-4ac
Δ=4²-4*-1*-2
Δ=16-8
Δ=8