Determine whether the quadrilateral is a parallelogram using the indicated method. D(-5, -6), E(5, 2), F(4, -4), G(-6, -12) (Choose slope or distance)

Sketch one cycle if the cosine function y=2cos2theta

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?