Please help with my questions... It doesn't matter if you only do one!
20 x ? = 1
10 x ? = 1

Find the vertex of the function given below y=x^2-6x+1

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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?