Answer:
Z=16
Step-by-step explanation:
just add 12 to both sides so you are left with only Z on one side
You can verify this by plugging the numbers into the Pythagorean theorem,

, where c is the hypotenuse (the longest side, in this case 53).
So it would be:

The equation is true.
2809 = 2809
Answer:11 hours
Step-by-step explanation:
you would add all three hours and then divide by 3 but first you would have to convert the minutes into hours so it would be 900/60 which is 15 so then you would do 8+10+15 / 3 which gives you 11
Answer:23.8
because it says that sorry but idk so oh well