Help ASAP Ill mark u brainliest

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

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2