Arectangular athletic field is twice as long as it is wide. if the perimeter of the athletic field is 192 yards, what are its dimensions

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?