Answer:
a) 12
b) 4
Step-by-step explanation:
:)
Answer:

Explanation:
We have been given with the quadratic equation 
We have general formula to find the roots of a quadratic equation first we find the discriminant with formula

and after that to find the variable suppose x we have the formula

And general quadratic equation is

On comparing the given quadratic equation with genral quadratic equation we will have values
a=1, b=-7 and c=-6
After substituting these values in the formula we will get

After substituting in the formula to find x we will get

Answer:
data set C.
Step-by-step explanation:
This set has a bigger/wider range (1-5)
Answer:
X= 15
Step-by-step explanation:
multiply 5 on x/5 and 9
divide 3 and 45
x=15
Answer:
19/41
Step-by-step explanation:
this fraction cannot be simplified since 19 is a prime number.