i need question number 2 IN DETAIL! How did u get the answer? I NEED FULL SOLUTIONS WITH EXPLANATION EITHER IN WORDS OR AS EQUATIONS OR BOTH. THANK YOU. I WILL MARK BRAINLIEST TO THE BEST ANSWER.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

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.

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent