If there are 20 sister chromatids in a cell, how many centromeres are there? if there are 20 sister chromatids in a cell, how many centromeres are there? 10 30 40 20 80

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 x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag