G(a) = 4a +5 and h(a)=a-4
g(h(2 +a))

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?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse