Two lines in a coordinate plane have no points of intersection. Which pair could be the equations of the lines? A. 3x-2y=6, 6x-4y=12 B.7x+y=10,3x-2y=-3 C.-x+y=5,3x+4y=2 D.-x+y=1,3x+4y=8

Y=4x^2+x-1 solve using quadratic formula

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?

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8