For positive acute angles A and B, it is known that cos A = 29 and sin B = 3. Find the value of cos(A + B) in simplest form.

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?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?