Why do you think V=lwh will not work with a prism that is not a rectangular prism?

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Find the quotient. 50a2 – 98b2 -5a +7b

What is an alternate exterior angle