Answer:
72
Step-by-step explanation:
72 since it has to opposite parall sides
Hope this picture helps! ;) Ignore the stuff around it ($12 or the triangle)
Answer:
first and third
Step-by-step explanation:
Consider
y = 
x + 3 ( multiply through by 2 )
2y = x + 6 ← third equation
Answer:
All real numbers.
Step-by-step explanation:
Since this is a quadratic function, that means the domain is all real numbers.
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Marcus made a mistake in Step 2. 5/2.5 is 2 not 3.
-11 -(-42) A double negative makes a positive
-11 + 42
31
