# Posts by Abia

Total # Posts: 2

**Math**

After giving away 20 marbles, joshua had 60% left. How many had he at first. Please help me solve.

**Physics Urgent!!!!!**

OK, I know, I'm postin this way too many times but I'm halfway there now.... Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitational constant G...