I think you want to prove that a rectangle is a quadrilateral. You can prove this with definitions. The definition of a quadrilateral is that it is a shape with four sides. Since a rectangle has four sides, that proves that a rectangle is a quadrilateral.
-96-(-86) -10 -2
------------= ------= -----= -2
82-87 -5 1
The answer is 84 degrees you just subtract 180-90
8z +3 - 2z < 51
6z + 3 < 51
-3. -3
6z < 48
-- ---
6. 6
z<8
Answer:
Anya is incorrect.
Step-by-step explanation:
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The correct answer is x = −1 or x = 7
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