Jocelyn's swimming pool is 14.75 ft by 7.5 ft. find the Area of the swimming pool

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point