Answer:
1/5
Step-by-step explanation:
Total marbles = 20
Black marbles = 10
(10/20) x (4/10)
= (1/2) x (2/5)
= 2/10
= 1/5
slope: 3/2
y-intercept: 13/2
the answer is 0
she had -27 in her bank the she added 27
