The ration of x to y is 1:3 if you divide 2:6 by its gcf (2), you get 1:3.
Answer:
cosA = 
Step-by-step explanation:
cosA = 
= 
= 
=
STEP-BY-STEP SOLUTION:
= x^2 - 13x + 30
= x^2 - 10x - 3x + 30
= x ( x - 10 ) - 3 ( x - 10 )
= ( x - 10 ) ( x - 3 )
FINAL ANSWER:
Therefore, the answer is:
C. x - 10
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I’m pretty sure the answer is D. 1/3
