which of the following expeeesion would represent a class of 42 students divided equally into 7 group

If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( g*h) (-3)?

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

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?