The penguin exhibit at a zoo has a raised circular island that is surrounded by water. the diameter of the island is 20 meters. one penguin swims half way around the island before hopping out. how far did the penguin swim?

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Which expression gives you the distance between the points (5,1)and(9,-6)