Answer:-9
Step-by-step explanation:25-16=9
9+16=25
Answer:

Step-by-step explanation:
Given
Red = 5
Blue = 3
Orange = 2
Required
Probability that the first marble is Blue
First, the total number of marble has to be calculated;



The probability of Blue being the first is calculated as thus;



<em>Hence, the required probability is 0.3</em>
Answer:
(15x- 8y)
Step-by-step explanation:
"y2" was replaced by "y^2"
((0-(x2))+9xy)+(((x2)+6xy)-23y2)
15xy - 8y2
= y • (15x - 8y)
A man has 21 sheep, one out of every 4 are red, how many are red
21/4 = 5.25
A man has 21 bricks he glues every 4 pieces together how many pieces does he have now
21/4 = 5.25
A man has 21 kids, he only keeps 1 ojut of every 4, How many kids did he keep
21/4 = 5.25
A dog sees 21 rabbits he kills 3 out of every 4, how many left?
21/4 = 5.25