Answer:
x+y/10-b
Step-by-step explanation:
Factor out the common term: 10
Divide both sides by 10
Subtract b from both sides
Answer:
1/2
Step-by-step explanation:
Answer: 7x+2x = 108
find x, then you know the amounts.
Step-by-step explanation:
Answer: 30 degrees
Explanation: the two triangles are proportional. Since the bottom triangle has two 75 degrees that add up to 150, 180-150=30. So the third unknown angle is 30 degrees and that goes for he sane on the top triangle too.