Question

The altitude of a plane as it begins to descend is shown by the linear equation

a = 28,500 - 1800m, where a is the plane���������s altitude, in feet, and m is minutes.



What is the plane's altitude when m = 9?

I think it is -12300 check please ??

Answer 1

show me how you got that answer

Answer 2

1800*9 - 28,500

Answer 3

I think it's either -16171.5 or -12300