Answer:
-45
Step-by-step explanation:
The opposite of a number has the same value, but a different sign
Adding them will result in 0
(10,85)
x=10
y=85
tbh im sorry i dont know :(
ab^2 = 15^2 + 8^2ab^2 = 289ab = 17
3.16 inches
Sqrt 10 = 3.16 inches