Answer:
r1= -3
r2= (11/2)
Step-by-step explanation:
5-4r=17
-4r=17-5
-4r=12
r=13
and
5-4r=-17
-4r=-22
r= 11/2
The first one is 25/9
And the second one is 25/36
Answer: 36/121
Step-by-step explanation:
There are 6 red marbles out of total 11.
The probability of drswing two red marbles is 6/11 x 6x11 = 36/121
(50-25)/2
25/2
12.5
25+12.5=37.5
Answer:
2a2b-6ab2+9ab+5 is right answer