The biologist captures 20 fish out of a small lake behind his college. He fastens a maker onto each of these and throws them bsck in the lake. A week later he again catches 20 fish. Of these 20 fish 2 have markers on them. How many fish could Dr. Ji estimate are in the pond ?

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

How do you solving the solution of each system using elimination?

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.