Step-by-step explanation:




Answer:
boomerang by jojo siwa lol
Step-by-step explanation:
Answer:
7×4=28
Step-by-step explanation:
hope this helps you out
Answer:
Colin can do this is 272 ways.
Step-by-step explanation:
The first counter goes to Obi and the second to Zeema, so the order is important. This means that we use the permutations formula to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:

In this question:
Two counters from a set of 17. So

Colin can do this is 272 ways.
Answer:
f(13)=2x-1, x=7
Step-by-step explanation:
7*2=14, 14-1=13
vise versa
f(13)=2(7)-1