X+6=y
Y^2-x^2=84
So substitute.
Y^2-x^2=84
(X+6)^2-x^2=84
X^2+12x+36-x^2=84
12x+36=84
12x=48
X=4
So then use this value to find y by substituting.
X+6=y
4+6=y
10=y
14) (9.1*10^-5)^-6=9.1*10^-9
15) (2.19*10^4)^-6=2.19*10^-2
17,158/52= 329.96 rounded to the nearest tenth is 330
Answer:
ri1/2 you should mark the other person brainliest
Step-by-step explanation: