In 2007 pennsylvania had approximately 121,580 miles of public roads. what is 121,580 rounded to the nearest thousand

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.