There were exactly 28 students in Ms. Pine's class. She gave each student a piece of paper. Each student put his or her name on the piece
of paper.

1/4 of the students put their names on the right side of the paper.
3/7 of the students put their names on the left side of the paper.
The remaining students put their names on the center of the paper.

What is the total number of students in Ms. Pine's class who put their
names on the center of the paper

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

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

The anwser cause i do not understand just plez