Ais an input-output matrix of an industry and d is the demand matrix. find the amount of each product that must be produced in order to meet the demand. give your answer in correct matrix form. a= [0, 0.2, 0.25; 0.2, 0, 0.25; 0.2, 0, 0], d= [1800; 8100; 2700]

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

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

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?