One-stop building supply company pays $49.94 each for a ladder. the company wants a 45% markup on the cost. what amount should they sell each ladder for?

Acity plans to build a new rectangular-shaped park. the perimeter of the park will be 940 meters. the width of the park will be 300 meters. what will be the length, in meters, of the new park?

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

In the diagram of circle a what is m