What is the direction of opening and does profit have a maximum or minimum? How do you know

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

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