; which letter did I add instead of "l" and "a" if you get it right you get brainliest.

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000