If one term of a proportion is not known, what can be used to find the value of that term?

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

When a 757 passenger jet begins its descent to the ronald reagan national airport in washington, d.c., it is 3900 feet from the ground. its angle of descent is 6 degrees. how far must the plane fly to reach the run way? a. 37,106 ft b. 37,310.4 ft c. 23,456.6 ft d 2,492.7 ft