Answer:

Step-by-step explanation:
Gavin made 6 out of 15 shots, so the probability that Gavin's next shot will be successful is

Jack made 7 out of 15 shots, so the probability that Jack's next shot will be successful is

The probability that they both make their next shot successfully is

3/4 + 4 1/2 = 5 1/4
If you mean that the dictionary is 41/2 then the answer = 3/4 + 20 1/2 = 21 1/4. That's a big diction though and not likely measured correctly.
Answer:
-5+5=0
Step-by-step explanation:
you have to add it up and its positive because it has a negative number