Let p be the set of polynomials. let a, b, c, and d be elements of psuch that band dare non-zero elements of p. which of the following is true
regarding the sum below?
a. the sum is polynomial
b. the sum is a rational expression
c. the sum is an integer
d. the sum is a rational number

Somone me i want to know what 18 hours out of 24 hours in a fraction

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.

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?