Which company would be best served by the use of inferential statistics?
a company that wanted to know if a new waterproofing treatment worked better than their existing treatment
a company that wanted to know the incomes of their customers
a company that wanted to know the rate of workplace injuries in each of its factories
a company that wanted to know the failure rate of different brands of tires before purchasing tires for its fleet of vehicles

Which expressions are equivalent to -6 + 3m

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

The school track has eight lanes. each lane is 1.25 meters wide. the arc at each end of the track is 180. the distance of the home straight and the radii for the arcs in the 1st 4 lanes are given. s=85m r1=36.5m r2=37.75m r3=39m r4=40.25m part one: find the radii of lanes 5 through 8 of the track. show your work. part two: if max ran around lane one, how far did he run? show your work and explain your solution. part three: max wants to run a total of three laps around the track, choose two additional lanes (2-8) for him to run and find the distance around those two lanes. show your work and round to the hundredths. part 4: based on your lane choices in part three, what was the total distance max ran in the three laps around the track?