Let U be the set of all books, N the set of all novels, and H be the set of all hardcover books. Describe, in words, the following sets:

Given:

U be the set of all books, N the set of all novels, and H be the set of all hardcover books.

To find:

The description for the sets and in words.

Solution:

We have,

U = The set of all books

N = The set of all novels

H = The set of all hardcover books.

We know that means common elements of set N and set H.

Therefore, is set of all books that are both novels and hardcover books.

We know that is the set of elements of universal set except the elements of set H.

Therefore, is the set of all books that are not hardcover books.

d. millimeters per hour.

step-by-step explanation:

we are given that,

carlo used a rain gauge to measure the amount of water his lawn is receiving from the sprinklers.

since, according to the options, we see that,

water cannot be measured by 'miles per hour', 'meters per second' and 'grams per seconds'.

we get that, the water can be measured by 'millimeters per hour'.

hence, the appropriate rate for describing the amount of water is 'millimeters per hour'.

391.6 is the correct answer