Answer:
-4x³ + 4xy
Step-by-step explanation:
distribute -4x by 'x²' and '-y'
-4x(x²) = -4x³
-4x(-y) = 4xy
Answer:
C.
Step-by-step explanation:
First, call the unknown angle x.
Use the Exterior Angle Theorem:
140 = 45 + x
x = 95°
Answer:
decrease, increase.
Step-by-step explanation: