Why did Paolo add 3(x 1 2) to itself and subtract 8?

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

Which strategy is used by public health to reduce the incidence of food poisoning?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air