First, multiply by 3 on both sides:

Divide by 7:

So,
k = 9
Answer:
9*3.14=28.26
Step-by-step explanation:
Hope this Helps!
Answer: Haha I don't know the answer---Wait wait--I know the answer, its Do School and study for it and you'll find out :)
Step-by-step explanation: This is how i figured it out.... I STUDIED
X²-3x-10=0
x²-(5-2)x-10=0
x²-5x+2x-10=0
x(x-5)+2(x-5)
(x-5)(x+2)