(2.5x-9)+6x=-7 4(x-2)+x=-13

21=6-x-4x

and 5-11x=7(5-2x)

plz help fast

Acar traveling at 65 mph leaves 25 foot skid mark what is the ratio of the speed to length of skid mark (feet) in the simplest form

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score