Apoultry farm has only chickens and pigs. when the manager of the poultry counted the heads of the stock in the farm, the number totaled up to 200. however, when the number of legs was counted, the number totaled up to 540. how many more chickens were there in the farm? note: in the farm, each pig had 4 legs and each chicken had 2 legs.

a. 70
b. 120
c. 60
d. 130
e. 80

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Which of the following is the result of expanding the series