You will need to show steps:
part (a) $e$($120$ seconds) $≈ 16$
part (b) $T$($4080$ feet) $≈ −0.003$, $−0.004$ or $−0.005$ (depending on which method you use)
part (c) $T$($210$ seconds) $≈ −0.068$, $−0.087$ or $−0.05$ (depending on which method you use)