A vacuum cleaner costs £85 Fred gets 10% off the price of the vacuum cleaner.

Work out how much he has to pay

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?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements