Which expressions can be used to compute the approximate area of triangle XYZ? Check all that apply.

Triangle X Y Z has a base of 22 and a height of 23.1. The triangle also has a base of 31.9 and a height of 15.9.
One-half times 22 times 23.1
One-half times 15.9 times 23.1
One-half times 15.9 times 22
One-half times 22 times 31.9
One-half ties 15.9 times 31.9
One-half times 23.1 times 31.9

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