Answer:
Step-by-step explanation:
Edith is x years old.
Her sister,Madison is six years older than her. This means that the age of Madison is x + 6
Their mother is twice as old as Madison. This means that the age of their mother is expressed as
2(x + 6)
= 2x + 12
Their aunt, Elizabeth is x years older than their mother. This means that the expression that represents Elizabeth's age in years is
2x + 12 + x
= 3x + 12
Answer:
-42
Step-by-step explanation:
Following Order of Operations, we have to multiply before subtracting, so
Using order of operations, we get -42.
a and b
the ones with the largest degree as 4
Answer:
its the last one
Step-by-step explanation:
