A math teacher recorded the color of students' eyes and hair. This two-way frequency table shows the results of that survey Hair Color
Blue
Green
Total
Eye Color
Brown
14
16
20
6
40
9
15
Blonde
Red
Brown
Total
40
40
4
6
30
33
27
60
120
Of the students who have brown hair, what proportion of students have brown eyes?
А
0.25
B
0.30
С
0.50
D
0.75

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp