Which of the following statements is correct about quadratic number patterns?
OA.
The difference between terms is always positive.
B.
The first difference is constant.
The third difference is greater than zero.
OC.
D.
The second difference is constant.
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One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?