A random sample should be taken from: A. an entire population. B. people who will respond positively. O C. groups of people. D. a convenience sample.

answer:

a=9

step-by-step explanation: lmk if you need a explanation

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c