Wendell's calculations to prove A B C D a rhombus are correct, but his _ calculation is incorrect. The real area is _ square units.

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 many solutions does the nonlinear system of equations graphed below have?

Which graph represents the equation y =4x