Francesca is a single mother making $645 per week after taxes. she spends one-third of her money on rent and utilities and puts 5% of the remaining money in a savings account for her daughter’s education. how much money is left over for francesca to spend on her other expenses?

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?