I'll presume the slash is the fraction bar and the questioner is asking about

That always equals 4 except when 
So the restriction is
Answer: a ≠ -3
There is a 0.833 chance that she pulls a golden earring
Step-by-step explanation:
Area = 0.5(19+25)(20) = 440cm².
Answer:
yes
Step-by-step explanation: