Answer:
x = 12
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
=
, substitute values
=
( cross- multiply )
4x = 48 ( divide both sides by 4 )
x = 12
1. A, it is a function
2. A, it is not a function
X^2 - X - 12 all you had to do is Factor
Answer = 5.5 x 5.5 = 30.25
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