What is the mapping rule for a 180 degree rotation about the origin?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

What is the range for 31,39,29,34,37,24,36,33,34,28

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation