exam
Maths Puzzle
Numerical Ability
How do i get the answer as well as show my work on this question. 3x-4y^2+9
Please help me
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exam Other Question
How many gallons of a 25% acid solution must be mixed with 100 gallons of a 6% acid solution to obtain a solution that is 20% acid?
How do you factor 4x^2+9y^2?