The first 5 numbers of a sequence are shown below. Which of the following functions produces the sequence with n: {1,2 ...,n}?

A. f(n)=17-9n
B. f(n)=9n+17
C. f(n)=26-9n
D. f(n)=9n+26

State if the two triangles are congruent. if they are, state how you know?

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

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle