exam
Maths Puzzle
Numerical Ability
I need to find the vertex of the parabola
f(x)=3x2-18x+32
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exam Other Question
rewrite equation as a function of x
-3x+4y=11
How many gallons of an 80% alcohol solution must be mixed with 30 gallons of a 22% solution to obtain a solution that is 70% alcohol?