Answer:
2x-10
Step-by-step explanation:
you have to distribute your parentheses to the 2
The required answer is
.
<u>what is a power rule for exponents ?</u>
is known as the power rule for exponents. Exponent times power is how you raise a number with an exponent to a power.
A number's exponent demonstrates how many times we are multiplying a given number by itself. 3^4, for instance, indicates that we are multiplying 3 by four. 3*3*3*3 is its expanded form. The power of a number is another name for an exponent. It could be an integer, a fraction, a negative integer, or a decimal.

Here, we have used the rule 
To learn more about the power rule for exponents from the given link
brainly.com/question/819893
#SPJ1
I think the answer is 1/23
Please tell me if I'm wrong.
Answer:
C. 74
This is because the total angle measure is 360 degrees
1.360-90 because we see a 90 degree angle here
2. 270-109=161
3.161-87=74
answer 74