Aworker at a local aquarium is instructed to estimate the population of sardines in the tank. she catches 920 sardines, marks them with special paint, and returns them to the tank. then she catches 870 sardines and finds that 87 of them are marked. to the nearest whole number, what is the best estimate for the sardine population?

Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212

What rotation was applied to triangle def to create d’e’f’?

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?