A Shelf holds 21 books each 5cm thick. How
Many books, each Tom thick, collethe Shelf hold

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100