Aclass consists of 60% men and 40% women. blonde men compose 25% of the class, and blond women make up 20% of the class. if a student is chosen at random and is found to be a male, what is the probability that the student is blond?

Plz which expression is equivalent to the expression below?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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)?