4k^2(-3k^2 - 4k + 5) a. -12k^4 - 16k^3 + 20k^2 b.12k^4 - 16k^3 + 9k^2 c.-12k^3 + 20k d. k^4 + 9k^2

Just tell me how to set up the equation.

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?

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?