Answer:
D. 
Step-by-step explanation:
We have been given that a bag contains x blue chips and y red chips. The probability of selecting a red chip at random is 3/7. We are asked to find the 
.
Since we are told that probability of selecting a red chip at random is 3/7, so red balls are 3 and total balls are 7:
Since total balls are 7, so we will get:
Upon substituting 
in expression , we will get:
Therefore, the value of is and option D is the correct choice.
C. 25(-5) = 125 this is the answer
Answer:
77,700
Step-by-step explanation:
look at 690. since the nine is greater than 5 round to 700
Just count how many times a given age appears in the data. If my eyes aren't deceiving me, I count
• 26: 3
• 27: 5
• 28: 5
• 29: 5
• 30: 2
• 31: 1
• 33: 4
Then the second most frequent age in the data is 33, and the least frequent is 31.
