Answer:
20 and 3/7
Step-by-step explanation:
identity property=something times one
8*2=16
8*8=64
d+d+d=3d
16+64=80d3rd
Answer:
1+1 is 2
Step-by-step explanation:
We can use quadratic formula to determine the roots of the given quadratic equation.
The quadratic formula is:

b = coefficient of x term = 4
a = coefficient of squared term = 1
c = constant term = 7
Using the values, we get:
So, the correct answer to this question is option A