a car is traveling down a highway at a constant speed, described by the equation d=55t, where d represents the distance, in miles, that the car travels at this speed in t hours.

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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 (%)

With alll of except for the 2 that i did already