A car travels 10 km southeast and then 15 km in a direction 60° north of
east. Find the magnitude of the car's
resultant vector.

In the proof of the triangle angle sum theorem, you must draw an auxiliary line. which construction must you use to draw this line?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

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?