(1 point) find an equation of a plane containing the line r=⟨4,1,3⟩+t⟨−5,−8,4⟩r=⟨4,1,3⟩+t⟨−5, −8,4⟩ which is parallel to the plane 4x−5y−5z=−94x−5y−5z=−9

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.