The floor of a small foyer will be made from square ceramic tiles. each tile has a side length of 8 inches. lf the dimensions of the foyer floor are 24 inches by 48 inches how many ceramic tiles are needed?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)