Find two solutions of the equation. give your answers in degrees (0° ≤ θ < 360°) and in radians (0 ≤ θ < 2π). do not use a calculator. (do not enter your answers with degree symbols.)

(a) cos θ = √2/2

degrees (sm & lg values) radians (sm & lg)

(b) cos θ = - √2/2

degrees (sm & lg values) radians (sm & lg)

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as