Answer:
6
Step-by-step explanation:
1 shook 2,3, and 4's hands
2 shook 3, and 4's hands
3 shook 4's hands
4 already got his hand shaken by everyone
1-2, 1-3, 1-4.
2-3, 2-4
3-4
(Anyone feel free to correct me. I'm not amazing at math just trying to help out.)
Answer:
Pluto has a density of 1.86 grams per cubic centimeter
Mercury has a mass of 3375.9 kilograms
Mars has a volume of 1.6318 x 10¹¹ km³
The volume of Venus is 9.38 x 1011 km3
The Earth has a volume of about 1,083,206,916,846 cubic kilometers
volume of 15 trillion cubic miles which is 62 trillion cubic kilometers
The planet has a volume of 6.83x1013 cubic kilometers
The volume of Saturn is about 8.27 x 10 cubic kilometers.
The volume of Jupiter is 1,431,281,810,739,360 cubic kilometers
hope this helps and feel free to give brainiest
To find r, first write out the equation:

Next, multiply both sides by 2:

Now, subtract both sides by 4:

Divide both sides by 3:

The answer to this problem is
r = 2. Hope this helps and have a phenomenal day!
Answer: false
explanation;
8 mi. 133 yd. 2 ft. - 5mi. 107 yd. 2 ft.
= (8 mi. - 5 mi.) + (133 yd. - 107 yd) + (2 ft. - 2ft.)
= 3 mi. +26 yd.
<h3>= 3 mi. 26 yd.</h3>