Answer:
16 ft
Step-by-step explanation:
Each edge of wall = √256 ft = 16 ft
Let the width be x, then the length is x + 12.
Area = length x width = x(x + 12) = 589

Solving the quadratic equation, we have that
x = 19 feet
i.e. the width is 19 feet.
Answer:
Step-by-step explanation: Can you ask your teacher? Or no?
Answer:
9/12
Step-by-step explanation:
Answer:
(f+g)(x)=f(x)+g(x)
=(-3x-5)+(4x-2)
= -3x-5+4x-2. collect like term
= -3x+4x-5-2
= x-7. the final answer