Answer:

Step-by-step explanation:
Intersection represents the elements present in both sets.
Best Regards!
Answer:
10. As the temperature increases the number of people increases.
Step-by-step explanation:
Because its better to go to a pool when its hot.
sry i dont know 11 :(
r-12
substitute in r=7
so 7-12 = -5
Answer:
27
Step-by-step explanation:
Let the 5 digit palindrome formed from 1,2,3,4,5 be represented as XYZXY
Possible outcomes of X are 1,2,3 which give 3 possible outcomes
Possible outcomes of Y are 1,2,3 which also gives 3 possible outcomes
Possible outcomes of Z are 1,2,3 which will give 3 possible outcomes.
The total possible outcome = 3*3*3
= 27
Answer: 50 millimeters
Step-by-step explanation:
5 cm is one 100th of a meter. Millimeters are one 1000th. Therefore, 1 of each unit in cm is 10 units in mm