Answer:
<h2>C</h2>
Step-by-step explanation:
<h3> dont subtract the cost of the notebook by 0.78 while multiping it with the cost.</h3>
Answer:
28 degrees
Step-by-step explanation:
A triangle is always equal to 180 degrees so add the degrees together
40+2x+3x=180
40+5x=180
5x/5=140/5
x=28