Henry subracts 16 from it and gets an answer of 13.9 what was the orginal number​

Which of the following is true for the relation f(x)=2x^2+1

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)?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12