On the bottom left, the answer is subtraction property of equality because you need to subtract 4x to the 7x to simplify the equation.
Answer:
87.47 cm
Step-by-step explanation:
112-24.53 is 87.47
Answer:
12.6cm
Step-by-step explanation:
Minor arc AD is 360° -124° -78° = 158°. Then angle ABD is
(158° -78°)/2 = 40°
The appropriate selection is
C) 40°