17.5
5 is the og length. Scale factor is 3.5. So
5(3.5)=17.5
The graph should start at zero, and go up four for every number
She will spend 112.8
24 times 4.70 equals 112.8
The formula for N choose K is given as:
C(n, k)= ![\frac{n!}{[k!(n-k)!] }](https://tex.z-dn.net/?f=%20%5Cfrac%7Bn%21%7D%7B%5Bk%21%28n-k%29%21%5D%20%20%7D)
Where,
n is the total numbers.
k is the number of the selected item.
Options C is correct.