Lisa cuts 3 grapefruit half has 8 segments. write an expression that uses parentheses to group two factors. solve. how many grapefruit segments are there in all?

Two parallel lines are crossed by a transversal.what is value of x

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

What is the product? a-3/15a × 5/a-3