una secretaria es capaz de teclear 75 letras en 8 segundos , a ese mismo ritmo ¿cuantas letras tecleara en un tiempo de 30 segundos ?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?