D = r• t
reverses the equation so that D and r are on the same side
d/r = t

Sam travels 4 hours at a rate of 50 mph
The amount of girls in the club is 18 out of the 32 members.
To find the amount of boys there, we subtract 18 out of 32
32 - 18 = 14
so there are 14 boys in the club
Now to find the ratio of girls to boys...
18/14
simplified to 9/7 (option D.)
Hope this helps :)
Answer:
The value of the test statistic is 
Step-by-step explanation:
Our test statistic is:

In which X is the sample mean,
is the expected value,
is the standard deviation and n is the size of the sample.
The level of ozone normally found is 7.5 parts/million (ppm).
This means that 
The mean of 24 samples is 7.8 ppm with a standard deviation of 0.7.
This means that 
Test Statistic:



The value of the test statistic is 
Answer:
B. -500
Step-by-step explanation:






I think the answer would be B