2 times (9+7) is correct.
9 + 7 = 16.
16 multiplied by 2 is 32.
Answer:
the answer is 23. even tho it says he had 30 at the time you must subtract 7 because thats what he started with. hope i could help! :D
Step-by-step explanation:
Answer:
should be 63
Step-by-step explanation:
Answer:

Step-by-step explanation:
To find the function h(x), that represents the total number of seats, we just need to multiply the functions f(x) (number of rows) and g(x) (number of seats per row):




So the function that represents the total number of seats is:

This is 2.5 standard deviations from the mean.
We find this by subtracting the mean from our value, and dividing by the standard deviation:
(63-38)/10 = 25/10 = 2.5