Jill begins the summer with $500 in her savings account. Each week she withdraws $20. Her brother, Sam, starts the summer with $150 in
his account. He adds $30 to his account each week. At what weck will
both Jill and Sam have the same amount in their account?
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Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

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 the greatest common factor ?