Which expression can be substituted for y in the top equation of the following system to solve the system by substitution? What is the solution? 14x-2y=1
2x-y=-2

A) -7x+1/2,(1/14,-13/7)
B) 2x+2,(1/2,3)
C) -2x-2,(1/6,5/3)
D) 7x-1/2,(1/2,3)

The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

Which expression gives you the distance between the points (5,1)and(9,-6)