15,17,19 are all odd numbers and add to 51

The value of the discriminant is
12.
Since the discriminant is greater than zero, the equation has
two real solutions.
Answer:
x3+x2-14x-24
Step-by-step explanation:
I’m pretty sure his speed is 1 mile per hour. hope this helps you!
Answer:
-7/6
Step-by-step explanation:
To evaluate this, start by turning each into improper fractions.
3 1/2 - 4 2/3
7/2 - 14/3
Now give both common denominators and complete the operation.
7/2 - 14/3
21/6 - 28/6
-7/6