Answer: [tex]t = 7[/tex] millimeters
Step-by-step explanation:
volume of a rectangular prism: [tex]v = lwh[/tex]
[tex]l[/tex] is length, [tex]w[/tex] is width, and [tex]h[/tex] is height
plug in values: [tex]56 = t(2)(4)[/tex]
simplify: [tex]56 = 8t[/tex]
divide both sides by 8: [tex]t = 7[/tex]
