The circumference of a circle=30pi. what is the diameter radius and the arc length of a 270 degrees arc

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2