Answer:
The value of k =3
Step-by-step explanation:
We need to solve this equation to become in standard form to find the value of k.

The given standard form is:

Comparing it with 
The value of k =3
Answer:
>60
Step-by-step explanation:
The difference in miles is 0.25 per mile. Because there is 15$ difference in initial payment then after 60 miles (60x0.25=$15) A will be better option. At $60 A and B are same and lower than B is better
Answer:
28.2743 square feet (28 square feet, rounded)
Step-by-step explanation:
The area of a circle is given by the equation
Area = πr^2
Plug in 3 for the radius
Area= π(3)^2
3 squared is 9
Area= 9 π
Area= 28.2743 square feet
Rounded to the nearest square foot, the area of the circle is 28 square feet.
2.25x15= blah blah blah, and boom there is your answer
I have no clue I don’t understand this