Answer:
3x+y=45......equation 1
x-y=20......equation 2
Explanation:
There are now two equations, solve them using elimination or substitution method
I'm not 100% sure this is correct but this is the way I had learned.
Answer:
explain why this unique continent would attract scientific study.Explanation:
Answer:
the answer to this question is 100 million kilometers
Answer: abrasion
Explanation:
A stream carrying sediment flows over the solid rock of its channel, polishing the rock and wearing it away. This is an example of abrasion.
Answer:
If they are of unequal density, one plate usually sinks beneath the other in a subduction zone. The western coast of South America and the Himalayan Mountains are convergent plate boundaries. Also called active margin collision zone See more at tectonic boundary.
Explanation:
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