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which expression is represented by the number line?
a 3-5.5 - 1.5
b 3-5.5 + 1.5
c 3-2.5-1
d 3-2.5 +

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Need on this geometry question. explain how you did it.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).