I need help with both please .

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)?

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

What term makes it inconsistent y=2x - 4