Adepartment store has a discount box of cell phone cases in the box or tan leather cases 12 protective plastic cases and six fabrications if a customer randomly selects a case what is the probability that it is a fabric case enter your answer as a fraction in simplified form in the box

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

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

The product of (7x-2) and (20-3x)/4. when x=4