Write the equation f(x)=3(x-7)^2+5 in standard form
a) f(x)=3x^2-42x+152
b) f(x)=3x^2-21x+5
c) f(x)=3x^2-42x-142

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

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?

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?