The first term of an arithmetic sequence is 4 and the fifth term is 16. what is the nth term of the sequence?
a. 4n
b. 3n 1
c. 5n ��� 1
d. 4n 1 select the best answer from the choices provided a b c d

Which of these statements is correct? the system of linear equations 6x - 5y = 8 and 12x - 10y = 16 has no solution. the system of linear equations 7x + 2y = 6 and 14x + 4y = 16 has an infinite number of solutions. the system of linear equations 8x - 3y = 10 and 16x - 6y = 22 has no solution. the system of linear equations 9x + 6y = 14 and 18x + 12y = 26 has an infinite number of solutions.