Stephanie buys a book in a sale for $19.20 . This sale price is after a reduction of 20%. Calculate the original price of the book

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?