The perimeter of a rectangular field is 276 yards. of the length of the field is 76 yards, what is its width?

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?