Answer:
A. 18.4
Step-by-step explanation:
The mean is the average. In order to find the answer you must add all the values of the variables and divide them by the number of variables. Simply just add 14, 15, 18, 20, and 25, and then divide it by 5 (the number of variables). Then you get your answer.
14+15+18+20+25=92
92/5=18.4
A. 18.4
Answer: that is impossible
Step-by-step explanation:
3.2 -9x+ 7.1 -3x
= (-9x -3x)+ (3.2+ 7.1) (combine like terms)
= -12x+ 10.3
The final answer is -12x+ 10.3~
To find the percentage of students on the swim team all you have to do is divide the amount of students in it by the complete number of students. (66/300) That should give you your answer which is around 22%.
Answer:
Step-by-step explanation:
We need to find 
We know that √-1 = i
Adding -49 and -4 and solving
Since 53 is not a perfect square so our answer is:
