Lucy is tiling her bathroom floor with parallelogram-shaped tiles. Each tile has a base of 12 cm and a height of 7 cm. She will use 400 tiles to cover the floor. What is the total area of the bathroom floor?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

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