What is efficiency?
A.) using the maximum number of resources to produce goods and services
B.) replacing old ways of producing goods and services with new tools and methods
C.) using resources in such a way as to maximize the production of goods or services
D.) finding the most expensive, time-consuming way to produce a good or service

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