Hunter wants to prove to his parents that playing computer games while he studies for tests will him get better grades. he decides to ask 30 of his friends if they play computer games while they study for their tests and what their grades are. he finds that his friends who have high grades also play computer games while they do their homework. he tells his parents that he has proven that playing games while studying for tests will cause his grades to improve. what mistake has hunter made?

Mercury poisoning is dangerous overload of mercury within the body. a major source of mercury within the body, a major source of mercury poisoning is consuming fish that contain mercury. certain fish are more prone to having higher levels of mercury than others. the pie chart shows the distribution of four breeds of fish at a hatchery. the hatchery has approximately 6,000 fish. a biologist from the centers for disease control and prevention randomly test 5% of each breed of fish for mercury content. her findings are shown in the following table. based on the biologist's findings, if a single salmon is randomly selected from those that were tested, what is the probability that this particular fish would have a dangerous mercury level? a) 0.001 b) 0.004 c) 0.02 d) 0.08

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)

Write the equation in logarithmic form e^x=403.429