-2+-2+-2+-2
-4+-4
=-8
hope this helps:)
Answer:15
Step-by-step explanation:
If the two sides equal 30 then you just divide that by 2 and get your answer 15
Answer: 4 x 16 = 64
16 + 44 = 60
I think..
Step-by-step explanation:
Answer:
Friction is a force that opposes motion between any surfaces that are touching. Friction occurs because no surface is perfectly smooth. Rougher surfaces have more friction between them. ... Friction produces heat because it causes the molecules on rubbing surfaces to move faster and have more energy
