Write the definition of a class telephone. the class has no constructors, one instance variable of type string called number, and two static variables. one is of type int called quantity; the other is of type double called total. besides that, the class has one static method makefullnumber. the method accepts two arguments, a string containing a telephone number and an int containing an area code. the method concatenates the two arguments in the following manner: first comes the area code, then a dash, then the telephone number. the method returns the resultant string.

can you give a picture of the map, i'll be able to update my answer!

answer; i believe the correct answer is (general);

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.