What is the value of x?
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x=
a right triangle. the legs are labeled x and twelve, and the hypotenuse is labeled thirteen.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Rewrite so the subject can be y in the formula d=m-y/y+n

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile