Tim took a random survey of 20 sixth graders and 20 eighth graders. He asked how many hours a week each played sports. His data is shown in the two dot plots below. What is the difference between the median number of hours that 6th graders play sports and the median number of hours that 8th graders play sports? A 4 h C 2 h B 2.5 h D 1.65 h

Which of the following graphs represents the function f(x) = 2^x

The equation of a circle is (x + 4)2 + (y + 6)2 = 16. determine the length of the radius. 10 4 16 8 my flower basket delivers flowers within a 20 mile radius of their store. if this area is represented graphically, with my flower basket located at (5, 2), what is the equation that represents the delivery area? (x - 2)2 + (y - 5)2 = 20 (x - 5)2 + (y - 2)2 = 20 (x + 5)2 + (y + 2)2 = 400 (x - 5)2 + (y - 2)2 = 400

What is the number 321,000,000 in scientific notation? also what is the number? ?