What will be the area of 576 square inches when dilated using scale factor of 1/4

Do u just plot the numbers on the graph like (1,

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

What is 10+10+20 about the origin the square root of a triangle.