Answer:
The Order of operations is PEMDAS: Parentheces, Exponents, Multiplcation, Division, Addition, Subtraction
Step-by-step explanation:

Option A is not correct because it equals 9.
Option B is not correct because it equals -66
Option C is CORRECT because it equals 3 that is your ANSWER
Option D is not correct because it equals 0
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Answer:
The slope would be 1/2.
Step-by-step explanation:
Do rise over run. If you look at the y-intercept, 2, and go up 1 (rise) and over 2 (run) that tells you that the slope is 1/2. The "run" stops at 2 because it intersected into a perfect point on the graph.
Irrational number because it cannot be expressed as a fraction of two whole numbers and it has no accurate decimal equivalent.
So its Irrational hope this helped :)
Make 27 into 3^3, then since the bases are the same, solve (x-1) = 3. The answer is 4.