Answer:
4a+24
Step-by-step explanation:
a+6+a+6+a+6+a+6 collect the like terms with a and 6
4a+24
Answer:a and d
Step-by-step explanation:
Answer:
x= 175°
Step-by-step explanation:
angles in a triangle add up to 180 degrees
85 + 90 = 175
180 - 175 = 5 (the missing angle not x)
angles on a straight line add up to 180 degrees
180 - 5 =175
Hello!
The answer to number two is, "42 mm".
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