Number System 13. John is buying a subscription to a magazine club. The function c = 40+ 2.25m describes the
cost of the yearly subscription, c, in terms of the number of magazines, m, he orders. What is
the appropriate domain for the function?
A. The set of integers.
B. The set of whole numbers.
C. The set of all real numbers. D. The set of rational numbers.

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?