help me last one amelias

Answer:
V = 317 units³
Step-by-step explanation:
[tex]V = \frac{1}{3}(\frac{1}{2}bh_1)h_2\\b = 8\\h_1 = 14\\h_2 = 14\\V = \frac{1}{3}(\frac{1}{2}(8)(14))(17)\\V = 317units^{3}[/tex]