You just got a free ticket for a boat ride, and you can bring along 4 friends! Unfortunately, you have 6 friends
who want to come along.
How many different groups of friends could you take with you?

What numbers are included in the set of integers? what numbers are not included?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76