PLEASE ANSWER ASAP!!!!

1.A home has a rectangular kitchen. If listed as ordered pairs, the corners of the kitchen are (8, 4), (−3, 4), (8, −8), and (−3, −8). What is the area of the kitchen in square feet?

2.A student has a rectangular bedroom. If listed as ordered pairs, the corners of the bedroom are (14, 22), (14, −10), (−17, 22), and (−17, −10). What is the perimeter in feet?

3.A gardener would like to add to their existing garden to make more flowers available for the butterflies that visit the garden. Her current garden is 45 square feet. If she added another rectangular piece with vertices located at (−21, 7), (−23, 7), (−21, 12), and (−23, 12), what is the total area of the garden?