PLEASEE HELP ME!! :.) Please solve each number using algebraic appeoach (show your working)
1. y = 3x + 1 & y = x - 9
2. y = 9 - 2x & y= x - 9
3. y = 9 - 2x & y = x - 12
4. y + x = 19 & y - 1 = 5x

Vhich expression is equivalent to 6(3x + 4)? 9x + 418 x + 2418x + 49x + 10 i might ! i really do hope u see this and answer it

Which number produces a rationale number when multiplied by 1/5

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?