If it takes find me 20 hours to bring a house how long will it take 2 men to do the job if they work the same rate

if they work at the same rate

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?

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4