Malia is placing a barrier around the edge of a circular path with the diameter of 13 m the barrier are in length of 2.5 m. what is the best approximation of how many pieces of a barrierd malia will need? used 3.14 for approximate for pi

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000