Someone please hlep! ive been working on this fo rthe past 5 hours

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)?

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?