What is the volume of a cone with a height of 27 cn and a radius of 13 cm round your answer to the nearest tenth

Which of these choices show a pair of equivalent expressions?

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

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?