Answer: B
Step-by-step explanation:
Answer:
x=35
Step-by-step explanation:
180-147=33 (angles in a straight line)
33+3x+42=180 (angles in a triangle)
3x+42=147
147-42=105
105/3=35
Well, 10x4=40 because 10+10+10+10=40 and that means your answer must be 40 ones or you asked something else.