52, because 52 is a multiple of 13 (13*4 = 52)
Answer:

Step-by-step explanation:
Use tangent function.

Take the arctan

which is about
0.98279372.
Convert from radians to degrees in you will get
56 degrees.
Answer:
$2.50 per pound of apple
Step-by-step explanation:
Or if you have to write it as a fraction $2.50/ 1
Answer:
z-score
Step-by-step explanation:
Since we are given the mean and standard deviation of a national test (whole population) it is fair to assume a large population size, and the use of the z-score would be more appropriate, since the z-score is used for the standardization of population data, while the t-score is recommended for samples or small populations.