Surface Area for only number 1 and 2

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

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)?

Give me the equations of two lines that have the same slope but are not parallel.