Allen is reviewing his receipts from three different visits to a spa, trying to determine the individual costs of his
favorite spa treatments. From his receipts he knows:
A manicure and a back rub together
cost $18.
A back rub and a facial together
cost $19.
A manicure and a facial together
cost $21

describing distributions is one of the key skills you’ll need to earn a high score on the ap statistics exam. if you need proof of this, just flip through some past exam questions, which can be found at the collegeboard website. you’ll notice that the first free response question is almost always a question requiring you to look at a graph and describe it.

step-by-step explanation: just trying to get points sorry : (

idk

step-by-step explanation:

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}