Answer:
7.762
Step-by-step explanation:
Brainliest!
Combine like terms
-7y² + 6y² - 2y² = -3y²
4y + (-5y) - (-9y) = 4y - 5y + 9y = 8y
9 + 9 - (-2) = 9 + 9 + 2 = 20
-3y² + 8y + 20 is your answer
hope this helps
Answer:
45 should be it
Step-by-step explanation:
Note for probability, if it will never happen the P = 0. If it must happen P = 1.
So certain to happen:
C. P=1
we can use formula
we can compare
we get
a=x
b=2
now, we can plug that in formula
and we get
now, we can simplify it
...........Answer