What is the slope of the line graphed below (3,3) (0-6)

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Answer this question i need as soon as possible

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.