If the radius is 12 inches, what is the circumference? C = πd

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?