A box contains 20 tiles numbered 1-20. What is the probability of choosing a tile from the box with a number that is a multiple of 4 on it?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

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.

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.