1. 641
2. 65.4
3. 21+7=28 total marbles. The greatest number of groups would be 7, with 1 blue and 3 white.
4. 80% of 685= .80 x 685= 548 students.
        
             
        
        
        
Answer:
The Answer is B) There is a positive correlation between them.
Step-by-step explanation:
There is a positive correlation between them. Since the points on the graph tend to rise from left to right, the correlation is positive.
 
        
                    
             
        
        
        
Complete question :
Put these fraction in order of size smallest to largest : 7/10, 2/3, 4/5, 11/15
Answer:
2/3, 7/10, 11/ 15, 4 /5
Step-by-step explanation:
In other to make solving the question easier, we can convert the fractions to decimal in other to make comparison easier :
7/10 = 0.7
2/3 = 0.667
4 /5 = 0.8
11 /15 = 0.733
Using the placement or how the numbers will appear to the right of a number line ;
0.667, 0.7, 0.733, 0.8
Thus we have :
2/3, 7/10, 11/ 15, 4 /5
 
        
             
        
        
        
The answer is X=4.
It is both parallel to x=-3 and passes through (4,2)