What are the domain and the range of this function? D : _ _ x: _ _
R: _ _ Y: _ _

for a test

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Due to bad planning, two of the local schools have their annual plays on the same weekend. while 457 people attend one, and 372 attend the other, only 104 people were able to attend both. how many people went to at least one play?

Which answer goes into the box? (90° clockwise rotation, 90° counter clockwise rotation, translation, or glide reflection)