Please Answer Math 10 Part 2

Answer:
Hello,
Step-by-step explanation:
4)
[tex]u_n=1+3*n\\u_{12}=1+3*12=37\\[/tex]
5)
[tex]u_n=-14+4*n=\\u_{10}=-14+4*10=26\\[/tex]
6)
[tex]u_n=\dfrac{5}{3} +\dfrac{n}{3} \\\\u_{16}=\dfrac{5}{3} +\dfrac{16}{3} =\dfrac{21}{3} =7[/tex]