Answer:
It will cost 45 dollars
Step-by-step explanation:
Sum of all adjacent angles is 180°.
3x + 12 + x = 180
4x + 12 = 180
4x = 168
x = 42°
-----------------------------------------
Answer: x = 42°
-----------------------------------------
H = 30.25 hours
c = 15(30.25) = 453.75
c = 453.75 + 245
c = 698.75
B should be the only correct answer.
Answer: 9
Step-by-step explanation: