If i have 1500 dollars and are left with 65.06 dollars how much money did i spend

Could somebody me with this radical simplification?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Will give brainliest b. describe the function over each part of its domain. state whether it is constant, increasing, or decreasing, and state the slope over each part.