f(x)=x(x4−x2+4) hoped i helped
Answer:
Step-by-step explanation:
since the lines are perpendicular, meaning that
x+y=37
x-y=7
2y=30
y=15
x+15=37
x=22
answer C
angle 1 = 82° {aternate angles}
angle 5 = 100°{corresponding angles}
-12
6+-9 =-12