Answer:
c .Perfect square trinomials
d.Difference of perfect squares
Step-by-step explanation:
We have to find the special product formulas.
a.Perfect square monomials
It is of the form 
It is not a special product formulas.
b.Difference of terms
It is of the form

It is not a special product formulas.
c.Perfect square trinomials
It is of the form

It is a special product formulas.
d.Difference of perfect squares
It is of the form


Therefore, it is a special product formulas.
Answer:
The value of x is 4.
Step-by-step explanation:
Given:
In ΔABC
m∠A = 10x+9
m∠B = 34°
m∠C = 97°
To Find:
x= ?
Solution:
Triangle sum property:
In a Triangle sum of the measures of all the angles of a triangle is 180°.

The value of x is 4.
3.9
Hope that helps
You can use the app math.way also
X intercept- 3.5
y intercept- 2.5
Answer:
Step-by-step explanation:
b)