Amagic slug is sitting on a platypus. the slug doubles in weight each hour. if the slug weighs 1 pound at noon, what time will the slug weigh 128 pounds

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

How do you use the elimination method for this question? explain, because i really want to understand!

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items