accompanied earn 400000 in one year the next year and earn 450,000 did the company gain or lose money overall during the two years how much ​

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

Algebraically prove that a clockwise and counterclockwise rotation of 180° about the origin for triangle abc are equivalent rotations.