What is the $30^{th}$ term of the progression -15, -13, -11, -9, ..... Click to Show/Hide Solution \[ a_n = a_1 + (n - 1) d \] \[ a_{30} = -15 + (30 - 1) (2) \] \[ a_{30} = 43 \leftarrow \text{answer} \]
