Answer:
40
Step-by-step explanation:
4. 3(y + 4y) this is distributive property! Hope it helps. Btw can you please check out a question on my page? thanks!! <span />
Answer:
isosceles
Step-by-step explanation:
With AD║BC, ∠ADB ≅∠DBC. The angle bisection also ensures that ∠ABD≅∠DBC. Hence the two angles ABD and ADB must be congruent to each other.
A triangle with two congruent internal angles is an isosceles triangle.
Answer:
Step-by-step explanation:
The given equation is 
Group similar terms to get:
Square both sides to obtain:
Add 6 to both sides
Simplify the right hand side to obtain;
Answer:
Commutative Property of Multiplication.
