Suppose x = 2y - 7. What is x, if y = 5?
a 0
b 1
c 3
d 5

Brent wants to know what is 5 x 1/2

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?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?