Answer:
D. x=12/11 or x=32/11.
he answer would be 0.016 or if u want it longer it would be 0.0160256410
Step-by-step explanation:
c
Step-by-step explanation: add the equations
2x² = 30
x² = 15
y² = 12 - 15
= -3
x4 -y4 = 15² - (-3)²
= 216
115% of x
