Aperson who wishes to attend a u. s. university and then return to their home country would apply for

A student visa

Explanation:

A student wishing to attend a university or other academic institution in the United States must apply for a student visa (F-1). Those who wish to attend a professional or non-academic institution must apply for the non-academic visa (M-1). People who have a tourism visa (B-2) or people who travel to the United States using the Visa Waiver Program can not study full-time courses. A tourist visa can only be used to attend short courses that do not offer academic or professional credit, such as a short English course, for example. Please note that the number of class hours is not a factor for determine the correct type of visa.

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34

what does your friend need with?