What is the circumference of this circle?
A.64 pi units
B.16 pi units
C. 4 pi units
D.8 pi units

The perimiter of a rectangle is 70 inches the legneth of the rectangle is 5 less than 3 times the width of the rectangle what is the width of the rectangle

How do i do this activity, is appreciated

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?