Answer:
Ok so im in 7thgrade so ima try to help answer is x= 8x9
The distance between the points (x₁,y₁) and (x₂,y₂):


Another method:
The points have the same x-coordinate so they lie on the same line. y-coordinates are positive so you just subtract 3 from 12. See the picture in the attachment.
The answer is 9.
Answer:
8/90 or 50/90
Step-by-step explanation:
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Area is the area<span> of a flat, or plane figure is the number of unit squares that can be contained within it. The unit square is usually some standard unit, like a square meter, a square foot, or a square inch</span>
The operation indicated, A - B, is a subtraction of sets.
The subtraction of set B from set A means that you have to remove the elements of B that are on A; i.e. A - B = {15, 35, 55}
25, 45 and 65 (which are in the set B) were removed from the set A to form the set A - B