Apoll asked the question, "what do you think is the most important problem facing this country today? " twenty percent of the respondents answered "crime and violence." the margin of sampling error was plus or minus 2 percentage points. following the convention that the margin of error is based on a 95% confidence interval, find a 95% confidence interval for the percentage of the population that would respond "crime and violence" to the question asked by the pollsters.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.