Help plz..And No links

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)?

What numbers are included in the set of integers? what numbers are not included?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?