If the f(x)=2x-1 and g(x)=x^2-1 find what the g(f(a-1)) is

please help quickly

An equation where variables are used to represent known values—function notation true or false

What term makes it inconsistent y=2x - 4

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?