Answer:
(-7, 3) i think, not 100% sure
Step-by-step explanation:
Answer:
$13.50
Step-by-step explanation:
The total is $103.50.
Answer:
x = 70; the labeled angles are 110º and 70º.
Step-by-step explanation:
The full degrees will add up to 180º. There are 2x and +40.
Equation: 
Solve: 
Since x=70, 70+40 will equal to 110.
Therefore, "x = 70; the labeled angles are 110º and 70º." is correct.