False- the included angle must be a right angle for cos C to be 0 & two other points are normally used
You divide 18 with 3 and is going to equal 6 so that should be your constant proportionality
Answer:
C. 5
Step-by-step explanation:
first expression 5 × (9-3) = 30
second one 45 - 3x
to make it 30 = 30
x should be = 5
