Paul needs to buy 5/8 pound of peanuts. the scale at the store measures parts of a pound in sixteenths. which measure is equivalent to 5/8 pound?

I’m stuck on this equation, anyone got the answer?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss