Need help with Signal and System Problems

Warning this is not Signal and System problems I don’t know if it’s C language, I am having trouble finding what it falls under.
P571.1, 1.21.3 c, f1.4 a, c, d1.5 a, b, c, d1.6 a1.7 b1.8 a, b, c, d1.21 a, c, e1.22 a, c, g1.231.241.25 a, c, e1.26 a, c, e