Beth pays for her phone each month based on the number of hours that she uses. Each month she pays $12 for her phone and $per hour she is using it. What is the total charge for a month in which Beth used the Internet for 90 hours?

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

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 (%)