What is the slope of the line represented by the equation y = –y equals negative StartFraction 2 Over 3 EndFraction minus 5 x. – 5x? –5 –negative StartFraction 2 Over 3 EndFraction. StartFraction 2 Over 3 EndFraction. 5Harita must memorize 90 measures of music for her cello solo at a concert. She plans on memorizing 18 new measures for every 3 days of practice. Which equation can be used to determine m, the number of measures Harita still needs to memorize, as a function of d, the number of days of practice since she began learning the piece? m = 72 – 15d m = 90 – 6d m = 101 – 21d m = 108 – 3d