If cos A = 12/37 and tan B = 15/8 of tan(A - B).
and angles A and B are in Quadrant I, find the value

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The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?

Arectangular courtyard is 12 feet long and 8 feet wide. a tile is 2 feet long and 2 feet wide. how many tiles are needed to cover the courtyard?