42% of what is 63
0.42x = 63
x = 63/0.42
x = 150
There are 150 dancers in the school
Answer: 
Step-by-step explanation:
For this exercise you need to remember the following formula:

Where "V" is the speed, "d" is the distance and "t" is time.
In this case, according to the information given in the exercise, you know that:
- James leaves his school at 3:15 and arrives at the park at 3:25. Then, you can identify that the time it takes him to go from his school to the park is:

- The park is 0.5 miles from James' school. Therefore, you can identify that "d" is:

So, knowing those values, you can substitute them into the formula:

Finally, evaluating, you get the following result:

Answer:
2nd answer from the top: 3a-b dived by 4
Step-by-step explanation:
C = (5/9)(F-32) multiply both sides by 9/5
(9/5)C = F - 32 add32 to both sides
(9/5)C + 32 = F
Answer:
E. Leela Chitnis
Step-by-step explanation: