El señor López compró una computadora para su trabajo en línea. Pagó $12,000 pesos por la computadora pero tenía el 20% de descuento. ¿Cuánto costaba originalmente la computadora sin el descuento?

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

What is the value of the product (3-2i)(3+2i)?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?