How is the expression (7 + y) ? 9 described by its factors and terms? a) it is has two factors and the factor (7 + y) has two terms. b) it has three factors and the factor (7 + y) has two terms. c) it has three factors and the factor (7 + y) has one term. d) it has two factors and the factor (7 + y) has one term.

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