Find d(5) in the sequence given by d(1)=2 d(n)=d(n−1)+0.4 ​ d(5)=

What is the speed of sound in water

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

Over half of the african-american population in the united states live in