Answer:
c
Step-by-step explanation:
Put -4 in place of x
-4 to the second power is 16 so it would be 16-(-12)= 28
<h2>
Answer:</h2>
<h2>Step-by-step explanation:</h2>
<u>First step</u> : Multiply
<u>Second step</u> : Add
9 × 2 + 3 + 6 + 9 = 36
The correct answer is 2.
Answer: x=20
Step-by-step explanation:
The entire thing is equal to 180 degrees. so, 100+3x+x=180, which can be simplified to 100+4x=180. If we subtract 100 from both sides, we get 4x=80, 80 divided by 4 is 20, so x=20
