Rafael counted a total of 40 white cars and yellow. there were 9 times as many white cars as yellow cars how many white cars did rafael count

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

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?