exam Maths Puzzle Numerical Ability

Can someone help me solve this problem?

I need to multiply:

(-3)(-6) + (4)(-2)

Thanks,
Lyn

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exam Other Question

-2g - 10 + 3g = -4 Hi! Could someone please help me with these problems. I need to simplify and all exponents should be positive.

4x^3*(3y)^4

(2^-1a^2b)^-3
---------------
4a^-9

Thanks so much for your help!