Answer:
Step-by-step explanation:
discriminant = (-13)² - 4·2·15 = 49
discriminant > 0 so there are two real roots
Answer:
7A - 42
Step-by-step explanation:

Let the number x.
Then the number divided by 2 gives

Subtract 3.8 from the quotient gives

Hence,


x = 21.6
The answer is C because it’s the only answer that could be correct.