Solve the equation for a.

K=4a+9ab

A.) a= K(4+9b)

B.) a= 4(K+9b)

C.) a= 4+9b/K

D.) a=K/4+9b

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?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.