Write the equation in standard form of a line that has a slope of -5 and goes through (3,-1)

Can you draw an isosceles triangle with only one 80 degree angle?

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?

Which statements about these triangles is true