Answer:
3x-6
Step-by-step explanation:
Thats the answer. .
Answer: 120
Step-by-step explanation:
Answer:B
Step-by-step explanation:
60÷3
Because 60 minutes in one hour
60÷3=20
20×18=360
Answer:
178 - 3x.
Step-by-step explanation:
The three angles in a triangle add up to 180 degrees so an expression for the third angle is:
180 - (x + 9) - (2x - 7)
Distributing the negative over the parentheses, we have
180 - x - 9 - 2x + 7
= 180 - 9 + 7 - x - 2x
= 180 - 2 - 3x
= 178 - 3x (answer).