exam Maths Puzzle Numerical Ability

(3x-2y)^2=
a. 9x^2-4y^2
b. 9X^2+4y^2
c. 9x^2+4y^2-6xy
d. 9x^2+4y^2-12xy

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exam Other Question

please help and answer me as soon as possibale please how can i find an easer way to calculate the sapace and voulme of rectangular prism,cube,cylinder and the formala volume spher if you were graghing y-2x using the slope and the intercept where would you start?