For a sale, a store decreases its prices on all items by 30%. an item that cost $130.00 before the sale now costs 0.7($130). what is another expression for the sale price?

Which statements regarding the diagram are true? check all that apply.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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%