C) 18 is your answer
Hope this brings you luck ^o^ ^_^
Answer:
20%, 40%, 60%, 80%
Step-by-step explanation:
Answer:
0.1875, or 3/16
Step-by-step explanation:
The formula for density is mass/volume.
I hope this helps :)
A) x + y = 17
B) x * y = -308
B) y = -308 / x Substituting this into A)
A) x -308 / x = 17
A) x^2 -308 = 17x
A) x^2 -17x -308 = 0
x = 28
y = -11