Answer: I've done these before but what you nee do do is look over all of the answers place them and then you will have a 100% answer if you still can figure it out just dm me!
Step-by-step explanation:
Answer:

substitute x in y = 9/x
=> y = 9 or 1
So the number are 1 and 9 or 9 and 1
Answer: 
Step-by-step explanation:
Subtract 490 from both sides
Then flip
multiply both sides by
to cancel out 
Thus giving you -735 as your
.
Then you plug it back into the equation to solve.
Answer:
Since there are 2 possibilities for each bat (hit or out), the amount of total possibilities is 2 * 2 * 2 = 8. There is only one possibility out of those eight that gives us three hits, therefore the probability is 1 / 8 or 0.125.
Answer:
7:2
7/2
Step-by-step explanation:
7:2 is also equivalent to 7/2