Which of the following statements contain a variable? Check all that apply. A. There are 3 periods in a hockey game.
B. The plane departs at 2 o'clock.
C. The length of a song on the radio.
D. Bob is half the weight of his dad.

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9