Step-by-step explanation:
Use the method of TOA CAH SOH.


Perimeter of triangle = Sum of all sides =

All this question is asking you to do is multiply 65 and 7. The 7 comes from the amount of days in a week. The product of these numbers is 455.
Maria did 455 sit-ups in a week.
Answer:
27.5
Step-by-step explanation:
To find the mean you basically just add all of the numbers then divide by how many there are.
So, for this problem, 19+22+24+45=110
110/4=27.5
Hope this helped!!
Answer:
unicorn
Step-by-step explanation:
Answer:
its 12
Step-by-step explanation:
because if you x it buy 6 and divide by 9 thats 12 and to make sure its right you just do the process in reverse