Two investments totaling $53,500 produce an annual income of $3485. One investment yields 7% per year, while the other yields 6% per year. How much is invested at each rate?

1. d: oceanic crust is thicker and contains a lot of granite2.d: where two continental plates are colliding  3.b.contour boundaries4.b.plates that are attracted to each other by gravity5.a.as two continental plates collide along a convergent boundary, mountains are formed.

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You need to attach a picture of said triangles for people to be able to you.