Gary and vanessa comparing fractions. vanessa model shows 2/4 and gary models 3/4. vanessa writes 3/4< 2/4. look at gary's model and vanessa's model and describe her error

Name the quadrilaterals that have four equal sides.

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 expression is equivalent to 42x-56y