Write down down an equation of a line that is parallel to the line with the equation y=7-x

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?