Here is a system of linear equations: { 2x + 1/2y = 7
{ 6x - 1/2y = 5

1) which would be more helpful for solving the system: adding the 2 equations or subtracting one from the other? explain your reasoning.

2. solve the system without graphing. show your reasoning.

Atriangle has verticals at b(-3,0), c(2,-1), d(-1,2). which transformation would produce an image with verticals b”(-2,1), c”(3,2), d”(0,-1)?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.

2,10,-50 next two numbers geometric sequence