8*10 to the 5th power is how many times as great as 8*10 to the -1

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x