ANSWER
Yes, the two expressions are equivalent.
The identity property of multiplication.
EXPLANATION
The identity element for multiplication of real numbers is 1.
This means that, if you multiply any real number by 1, you get the same real number
The given expression is,

These two expressions are equivalent.
The property that is applied is the identity property of multiplication.
Answer:
<GOJ
Step-by-step explanation:
O is the center of the circle
So central angle is <GOJ
The image attached illustrates , option C- an angle congruent to a given angle.
Answer
first one
Step-by-step explanation:
Divide the numbers than Multiply all terms by the same value to eliminate fraction denominators than i got the first one
I am not to sure but I think it would be 30+n or a variable