Answer: It is a proportional relationship because a proportional relationship is known as a relationship between two quantities, in which the ratio of one quantity to the other quantity is constant.
Step-by-step explanation:
Associative Property if Addition
Answer:
12x^3-9x^2
Step-by-step explanation:

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Answer:
D
Step-by-step explanation:
Answer:
= 22.5°
= 67.5°
Step-by-step explanation:
Let’s create a system of equations for
and
.
Complementary angles are two angles that add up to 90°, so 
Also,
is thrice of g: 
We can now substitute
in
for
.

Now, we can find
by substituting
into either equation.

Hope this helped!