Hurry! i have seen the answers to this questions. i am just seriously wondering how you end up with a 9. i need to show my work so fast! at a bargain store, tanya bought three items that each cost the same amount. tony bought four items that each cost the same amount, but each was $2.25 less then the items that tanya bought. both tanya and tony paid the same amount of money. what was the individual cost of each person's items?

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x