Before a sale, an item’s price was $28. 00 but, after being discounted, the price became $14. 60. What was the percent of the sale discount?.

What causes the famous san francisco fog to move inland and back out to sea?

The number of brain synapses is believed to peak at

Ben is interested in using a source that provides original research, current and developing trends and experts within specific fields. which source should he use?