<span>FeCl3 test is used to find out the phenols in a sample or compound. Natural phenols in a plant extract can be determined using the FeCl3 test, for example. If the test results in dark brown solution it is a positive result signify that it contains phenols.</span>
Answer:
-2
Step-by-step explanation:
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Y = 4x + 2
y = 4×10 + 2
y = 42
the 10th term is 42
A is the right answer
This is because when plugged into each of the expressions, the both equal the same thing. Which means that this proves that the two hypotenuses are congruent, proving the triangles congruent by HL. <span />
