If a, b, c, d and e are integers and ab = 12, bc = 20, cd = 30, de = 15, ea = 18, then find the value of abcde.

Trevor and marissa together have 26 t-shirts to sell. if marissa has 6 fewer tshirts that trevor, find hiw many tshirts trevor has. identify the if-than moves in your solution

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?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is