Given the system of equations. -4x+y = 3
2x-y= 12

Which of the options represents the resulting equation after an equivalent expression for y is substituted into the second equation.
2x - (4 x + 3) = 12
-414 y+) + y = 3
2 (4 x+3) - y
-4 x+ 4 x-3 = 3​

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

The key on a road map has a scale factor of 1.5 inches = 50 miles. the distance between santa fe and albuquerque measures 7.5 inches. the distance between santa fe and taos is 0.75 inches. what is the actual distance between the cities?

The table below shows the number of color pages a printer prints out over a period of time. printed pages in color time (min), x 2 6 8 18 number of pages, y 3 9 12 27 what is the constant of variation?