R( 1,2,3,4,7) , t ( 3,5,6,7) what is the intersection   r and t

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

What expression is equivalent to log3(x+4)

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