
Maria got 21 correct.
Number wrong = Total - Number right
y = 25 - 21
y = 4
Maria got 4 wrong.
Hope this helps!
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
To find the domain, we find every single value that can exist along the x axis.
One can notice here that w is in the denominator, which means a value doesn't exist at 0, because we can't have 0 in the denominator.
Answer:
(-∞,0) U (0,∞)
1/2 of 20 is 20/2 which is 10.
All you really need to do here is to divide 20 by 2 to get 10.
Answer:
b & c for sure
Step-by-step explanation:
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