Point R is on line segment \overline{QS} QS

. Given QR=3x-8,QR=3x−8, QS=3x, QS=3x, and RS=2x, RS=2x, determine the numerical length of \overline{RS}.
RS
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The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212