Once a month, Eddie cashes his paycheck at a check cashing service that charges a 1% fee. If Eddie gets paid $500 per month, which of the following will be true?

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?

Ineed on this question me get the answer