Quadrilateral QRST has vertices at Q (1, 2), R (5, 5), S (9, 4), and T (13, -1). Use slopes and lengths of sides and or diagonals to determine the specific classification of the quadrilateral.

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

The surface area of the triangular prism is .

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