Akiko's dog has three puppies they weigh 2.6 pounds 2.74 pounds and 3.1 pounds how much more does the heaviest puppy weigh than the lightest puppy

Last year amusement park received 236,758 visitors it was open every day of the year but 7 holliday’s what was the average number of visitors to the park per day

(40 points) i need some . an answer definition is appreciated as well.

What is the missing constant term in the perfect square that starts with x^2 -20x