Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution. -3x+y=
−3x+y=
\,\,-3
−3
-6x+2y=
−6x+2y=
\,\,-3
−3

\text{No Solutions}No Solutions
\text{One Solution}One Solution
\text{Infinitely Many Solutions}Infinitely Many Solutions

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)?