Answer:
A. 4x² - 2x + 11
Step-by-step explanation:
(4x² + 6) - (2x - 5) =
Drop the first set of parentheses since it is unnecessary.
= 4x² + 6 - (2x - 5)
To drop the second set of parentheses, you must change every sign inside the parentheses.
= 4x² + 6 - 2x + 5
Now combine like terms.
= 4x² - 2x + 11
Step-by-step explanation:
3x<-5+10
3x<+5
x<5/3
hope it helps!
Answer:
As mentioned ABCD is a square
So <DEC is always 90 degree
Answer:
101
Step-by-step explanation:
final cups present-(cups added+cups two guest served)