Which of the following motion rules represents a transformation that preserves orientation, but not congruence? A. (x, y) → (2x,2y)

B. (x, y) → (Y,-X)

C. (x, y) → (-x,-y)

D. (x, y) → (x + 1, y + 1) ​​

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).