How many solutions does the system have? You can use the interactive graph below to find the answer.
2x + 3y = -6
3х -4y = -12

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?

Find the slope of the line passing through a pair of points

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.