HELP?!?!?!? <3 A girl weighs 45 Kg, and a boy weighs 54 Kg. Find the ratio, in leats terms, of the boys weight to their combined weight?

The diameter of a table is 5 feet. what is the circumference

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 inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"