Coordinates for y = 3/4x + 4 PLEASE HELP

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1

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