exam
Maths Puzzle
Numerical Ability
Find the LCM of z^2-4 and z^2+11z+18.
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exam Other Question
Help!!!!!
Graph the functions
f(x)=-2x-5
thanks
Heather
I am extremely confused with how to solve fractions...especially fractions with two variables.
1/2 x + 1/3 y = 1/3
1/6 x + 1/3 y = 2/9