(2x^2 -5y)/(3x-y)
((2*2)^2-(5*-4))/((3*-4)-(-4))
(4^2+20)/(-12+4)
36/-8
-4.5
Is there a graph or anything given
Answer:
does not make sense
Step-by-step explanation:
Try to ask the teacher for help. I am sorry for the person that did not help you.
Answer:

Step-by-step explanation:
Three cards are randomly selected from a standard 52-card deck.
Number of heart cards in a deck = 13
Each card replaced in the deck before the next one is picked.
Probability of first card is heart = 
After replacement, the probability of second card is heart = 
after replacement, the probability of third card is heart = 
P =
×
× 
= 
= 
The probability of all three cards are hearts is 