Answer:
Pretty sure it's x^2−3x+2/4x-16
Step-by-step explanation:
<span>the question is, If m∠D = 18° and m∠C = 45° what is arc BC? your answer is B. 54 degrees </span>
Its A.........................................
x+3x+3x=21
7x=21
x=3
3, 9, 9=21
the answers are 3, 9, and 9
Well just think, what is the ten thousands place? 1 right by 6. From this to round you look at the previous number 6, anything 5 or above will be rounded up making the 1 into a 2, anything lower than a 5 will become rounded down making the 1 stay the same, but instead making it into 10,000
So the answer would be 20,000
