6 sites need to communicate with each other using mesh topology how many links are required

What does ≤ mean? Danke

Write 7-3 using addition

The area of a rectangle is 64 square centimeters. The rectangle is 4 centimeters wide. How long is the rectangle.

Are the fractions 3/5 and 12/15 equivalent or not and why

True or False ... P^2+2pq+q^2 = 1

By how many is 6 less than 14

In order for a film camera with a lens of fixed focal length F to focus on an object located a distance x from the lens, the film must be placed a distance y behind the lens. F, y, and x are related as follows: 1/F=1/X + 1/Y.

I am a number between 20 and 30. I am not divisible by 6. and the sum of my factors is 31. What number am I?

3 divided by 579 and show the work

A flower garden is 4 feet longer than its width w. Write a polynomial the represents the area of the garden.