exam
Maths Puzzle
Numerical Ability
how do you find the missing number (averages)?
homework grade 87
homework grade 79
next test must score ? to get an average grade of 98
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exam Other Question
Divide
x^2+2x-15/4x^2 divided by x^2-25/2x-10
Thanks
2x-y=-3
x+4y=9