A researcher catches 60 fish from different locations in a lake. He then tags the fish and puts the back into the lake . Two weeks later ,the researcher catches 49 fish from the same locations.8of these 40 fish are tagged. Predict the number of fish in the lake

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.