ASAP plzzz answer 1 and 2 50 pts + Brainliest

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)?

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase

If f(x)=3 over x+2 - square root x-3 then f(7)=