Answer:
y = 2x - 9.
Step-by-step explanation:
2y - 4x = -18
Add 4x to both sides:
2y = 4x - 18
Divide both sides by 2:
y = 2x - 9.
Let me know if this doesn’t make sense
Angles that are complementary end up equally 90 degrees. That means 30 degrees is one and 60 is the other because 30*2 = 60
60+30=90
A (15.4-8.1=7.3) has two significant figure so A is the ANSWER
while the all other options has 3 significant figure
