1. x + y = 8 would be x= -y+8
2. x - y = 6 would be x= y+6
Hope this helps
90 ? Because it's rounding to the nearest tenth so .... it must be 90
Answer:
60 g
Step-by-step explanation:
Use the density formula, D = m/v, where m is the mass and v is volume
Plug in the volume and density, then solve for the mass:
D = m/v
3 = m/20
60 = m
So, the mass is 60 g
C)0.5 there is a 50% probability of getting tails