Dog Pen - Jill has decided having a pen with the maximum area might not be best. After all, the bigger the pen, the more it
will be to clean it. She now thinks that 20,000 square feet is
the best possible area for a dog pen. She is still using a total of
500 feet of fencing in addition to the side of the house.
Write an equation whose solution will give the distance the pen
should extend out from the house.
Solve your equation and explain your results.

Ineed if you could explain and give me the answer you! this needs done

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp