Answer:

Step-by-step explanation:
we can easily calculate the perimeter of three points, using vectors. See the picture...
Answer: 8.6:8.6
Explanation:
1:n is the form you want.
n is 8.6. change the n value so it is 1:8.6
1 is 1 times bigger than 8.6
8.6 times 1 is 8.6
so you've got 8.6:8.6
your welcome, i hope this helps
Answer:
42
Step-by-step explanation:
Shanice =88
If greg won x pieces of gum, and 88 was 4 more than twice as many as Greg
2x+4=88
2x=84
x=42
=3/2+ 9/4+ 2/2
=1.5+ 2.25+ 1
=4.75
Last one D
Step-by-step explanation: