Cierta compañía de telefonía celular cobra$3 por el primer minuto y 1.20$ por cada minutoadicional .diseña una expresión algebraica para calcular el costó de una llamada de n minutos ​

It says factor each expression 49x-28?

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)