8. What is the sum of (5 - 7i) and (-3 + 4i)?

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation

Explain how the movement of tectonic plates causes the development of different landforms and naturak disasters

Which most likely was persia’s most valuable asset?