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20. (-3, y) and (9, -2); m =1/3

Solve the system of equations. y= 2x y= x^2 - 15

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

If the value of cos330°is√3/2 then find cos 165°.