X= 36 for the first problem.
X= 48 for the second problem.
X= 80 for the third problem.
Answer:
35 books
Step-by-step explanation:
40*3=120
120-85=35
Answer:
A triangle's total is 180 degrees. 90 is a right angle. 20 is the angle for A. That would mean the value of 90+20=110. 180-110=70 B is 70
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