Use the values of a, b, and c to find the discriminant:
0
I don't know if this is correct
Answer:

round off to 3s.f
means change to when you have 3 useful numbers
7613.83 has 4numbers.2decimal
same must be the round off value
Answer:
just divide 228 and 6
Step-by-step explanation:
228 divided by 6 is 76
Answer:
x =−8
Step-by-step explanation: