writ eequation of the line that is perpendicular to the line x-4y=20 and passes through the point (2,-5)

Adeveloping nation's economy is based on a developed nation's economy is based on stay tuned- i may post some more questions from my study guide : )

Which layer surrounds the center of the earth? a: crust b: core c: mantle

Why isn't the balkan region good for farming? it has dry summers. it is far from the sea. its soil is not fertile. its terrain is mountainous. its winters are mild.