Which of the following transformations do NOT preserve congruence?
1. Rotation 90° clockwise
11. Translation 3 units up and 4 units left
III. Reflection across the x-axis

Assemble the proof by dragging tiles to the statements and reasons column

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?