PLEASE I NEED HELP

Which expression will equal a rational product even though it is multiplying an irrational number times another irrational number?

StartRoot 11 EndRoot times StartRoot 11 EndRoot

4.7813265 ellipsis times StartRoot 5 EndRoot

Pi times 3.785492 ellipsis

StartRoot 21 EndRoot times pi

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

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