Evaluate 4-0.25g + 0.5h when g= 10 and h=5

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?