What is the common point between lines y = ¾ x + 2 and y = -¼ x + 4?

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)?

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x