In a race, there are 15 runners. Trophies for the race are awarded to the runners finishing in first and second place.
In how many ways can first and second place be determined?

How many zeros does the function f(x)=4x3-x2+1 have

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate