Answer:
114
Step-by-step explanation:
Ratio of red marbles to black marbles is 19:1. (Data from 3rd sentence)
19+1= 20
20 units= 120 (Data from 1st sentence)
1 unit= 120/20= 6
19 units= 120-6= 114 (Values solved in working above)
Ans: There are 114 red marbles.
i hope i cleared your doubt
140
140 just multiply 14x10=140 and there are 10 black marbles
it's rational
sry I need a question too
The line AD is exactly between the line AC
Answer: Top right
This is substituting into point-slope form.