Help please , true or false question

What is the slope of a line that is perpendicular to y = 3x + 1

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

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