exam
Maths Puzzle
Numerical Ability
what is -2 over 3a^2b plus 5 ab^2 simplified?
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exam Other Question
1.3a2-4b2,for a=-3/4,b=1/2
2. -7x-3y, for x=-6
3. 6x-9y-8x+4y, x=1/2, y=1/3
Can you please explain this to me?
Solve using the quadratic formula
3x^2 - 2x = 15x - 10
thank you
julie