ben used 124.7 pounds of gravel in his front yard 110.7 pounds in his back yard. how many more pounds of gravel does ben use in his front yard than his back yard

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

Which one is the correct answer, and why?

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent