Can u please answer all these questions

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.