Asingle serve coffee maker costs $70 plus $0.20 for the coffee for each serving. write an equation

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

Match the one-to-one functions with the graphs of their inverse functions.