exam
Maths Puzzle
Numerical Ability
what is the 10a to the second power minus 15ab / 4a to the second power minus 9b to the second power reduced in lowest terms
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exam Other Question
This really does not portain to circles but I need to know how to find the angle of a curve. I am building a roller coaster in a class and I need to know how to find the angle of a
f(x)=2x^2-x+7 ; g(x)=x-1
find (f-g)(x)
I don't know if I am to just subtract or put in the proper way. I am lost.