It costs $3.45 to buy lb of chopped walnuts. How much would it cost to purchase 7.5 lbs of walnuts?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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.

Find the amount of simple interest earned for depositing the given principle in an account if $2200 is invested at 5.5 % for 6 months