Mr. loretti spends $4.83 on pens and notebooks. how many of each item does he buy? explain

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

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White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.