Answer:
2/5 are girls so 40
Step-by-step explanation:
100 divided by 5 is 20.
BOYS: 20 x 3= 60
GIRLS: 20 x 2= 40
60+40=100
Hope this helps (:
Answer:
yes the triangle is a right angle
Step-by-step explanation:
hope it helps good luck
Where is the graph, if there was a graph i could help you out!!
Answer:
30 Edges.
Step-by-step explanation:
Euler's formula tells us that
(Vertices - edges + faces = 2).
Plug the numbers in:

Solve:



Therefore, there are 30 edges.
It’s D , -16.2
you replace X with -142 and get -0.2 (142 + 223)