Type the formula for the number of permutations of n things taken r at a time.

What point is the projection of q on a) r b) s c) t

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250