The base of a ladder that rests on a vertical wall, is on the ground. The distance of the base of the ladder from the wall is 1.75 m and the ladder forms an angle of 12.5 ° with the wall. How long is the degree?​

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Precalculus question, image attached.

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is