Given the coordinates (4, 2), (9, -6),(8, 7), what would be the new coordinates with a scale factor of½?

Describe all the numbers that when rounded to the nearest thousand are 645,000

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

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