What is 5 divided by 14 help!

Anyone know? will mark brainliest if you're correct!

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 this equation using substitution. {4x + y = −2} {4x + 6y = 44}