Agroup of students wants to determine the favorite snack food at their school. they know they should use a sample because the student population at their high school is 5,000. what is the best way for them to get a random sample of 100 students?

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Can someone me with this? i’m not sure what to put for my equations.