book Maths Puzzle Numerical Ability

please assist in multipling these polynomials.(1x^3/3 + 1y^3)/4) (1x/5+1y/2-1)= thank you in advance for you help.

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book Other Question

Without graphing, determine if the linear system has zero, one or many solutions.

a) y=x+5
y=x-1

b) 4x-y=-3
2x-y=-1

c) y=-x+4
3y=-3x+12
Your help is appreciated.

Convert equation of the parabola y = -6x^2-6x to standard form and then find the product a x h x k.

Thank you.