The function f(x)=−x2+40x−175 f(x)=−x2+40x−175 is graphed in the xy xy -plane above. for what value of x x is the value of f(x) f(x) greatest?

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?