Riley and sierra have 245 downloaded minutes of music. if riley has 132 minutes and sierra has x minutes write and solve an equation to represent how many minutes sierra has. i don’t understand what to do can someone explain

After two years, how much has been paid into interest?

Which statement justifies why angle ebc measures 90?

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 (%)