exam
Maths Puzzle
Numerical Ability
My least favorite because I do not understand these:(
What is the focal point of 1/3(y-2)=2(^-x+5)
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exam Other Question
Of the lines listed below, which ones pass through the point (0,9)?
y=4x+9
y=5x+2
y=5x+9
y=9x+5
y=7x+1
Mix a solution that is 50% acid with a solution that is 100% water to make 4L of a solution that is 10% acid. How much of each solution do you use?