What is the sum of the measures of the interior angles of a dodecagon?
a.2160 °
b.1800 °
c.1620 °
d.1440 °

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

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

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?