3t^2 + 8t =t^2 -3t-12

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.