Use prime factor decomposition to find the Hcf of 99 and 165

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Find the nonpermissible replacement for binthis expression.b2/5b +5

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.