Answer:
5.96666666667
Step-by-step explanation:
I used a calculator
Answer:

Step-by-step explanation:
Work to isolate x on one side of the inequality:

Therefore the answer is all x values larger than or equal to -30

Answer:
-16
Step-by-step explanation:
-k² -(3k-5n)+4n k=-1 , n= -2
= -(-1)² - ( 3(-1) -5(-2) )+4(-2)
= -1-(-3+10)-8
= -1-(7)-8
= -1-7-8
= -16
Answer:
89
Step-by-step explanation:
21+13+19+36=89
X^2 + 6x - 27
(x - 3)(x + 9)
The answer is: (x - 3)(x + 9).