We can use quadratic formula to determine the roots of the given quadratic equation.
The quadratic formula is:

b = coefficient of x term = 5
a = coefficient of squared term = 1
c = constant term = 7
Using the values, we get:
So, the correct answer to this question are option E and F
15 toys after he starts with 3 toys from a month and then keeps collecting more for 4 month. It would be the over all of 15 toys..Hope that helps<span />
It would take 7:30 minutes to clear the rest of the 10 miles.
Step-by-step explanation:
1. 10x
2. 1k^2/2k^5
I believe that it's right