A B
C D
In the figure, angle D measures 127° and angle A measures 75º.
Complete the equation to solve for b, the measurement of angle B.
b = 180° - 75° -
0 - 127)

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