Determine whether Y=-x+6 x+y=20 is parallel, perpendicular or neither

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

Which equation matches the graph shown ?

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.