Match each expression in the first column to
its equivalent expression in the first row.
4(9+4)
3(8+5) 6(7 + 10)
24 + 15
42 + 60
36 + 16

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?

Sketch one cycle if the cosine function y=2cos2theta

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)