Is -i the same as -1?

Step-by-step explanation:

but no

Options (1) and (5) are the correct options.

Step-by-step explanation:

The given question is incomplete: find the complete question attached.

Simon's work,

Area of the base = B = = m²

Volume = Bh = 32.5(12) = 390 m³

Let's check the error's he made.

Area of the base of the triangular prism

B =

B = 30 m²

Volume of the prism = (Area of the triangular base)×(Height)

V = 30 × 4

V = 120 m³

Therefore, Options (1) and (5) are the correct options.