28 is a multiple of 7 and also a factor of seven!
Answer:
B
Step-by-step explanation:
Since equalateral all angles are 60. 60 - 69 = -9.
Answer:

Step-by-step explanation:
The complete question in the attached figure
we have

we know that
(ab)(x) is equal to the product of a(x) and b(x)
so

Applying distributive property



This is a quadratic equation
The other expressions not produce a quadratic equation
I believe the numbers are 22, 13, and 44.