Which of the following is not a statistical?

a. how often do students at your school go swimming?
b. what are the ages of your family members that can swim?
c. how many times did you go swimming the last week?
d. what is the average amount of time you spend at the pool when you go?

The correct answer is C- How many times did you go swimming last week.

correct answer is option b.

step-by-step explanation:

the true statement about geometric figure is option b that is one line can be drawn through all three points.

if three points are on the same plane, they can be connected by a line.

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9