After making a deposit puja had 264$ in her saving a account. if she added $26 to the amount originally in the account and doubled the sum she would get the new amount. how much did she originally have in the account?

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?