No links plz i will make branlis for right answrr

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.