Tony's calculator runs on 4 batteries. The store sells batteries in packs of 6. What is the least number of packs of batteries that Tony should buy so he has sets of batteries for his calculator with no batteries left over?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

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?

What is the slope of (0,32) and (100,212)