Free points and what's 5/2

Perform the required operations on the following functions given: f(x)= 3-x; g(x)= -2x find g[f(x)]

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.