Find the equivalent equation

1. 4+ 4w
2 18w+9
3. 18+6x
4. 21x+42
5. 25x+45

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 graph represents the parent function of y=(x+2)(x-2)

Which equation can be solved to find x the measure of jk in the apex