If a sedimentary rock contains fossils with the following known absolute age ranges... 440 - 385 mya 391 - 374 mya 391 - 318 mya 509 - 359 mya ...what is the possible range of absolute ages for the deposition of the rock

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