Answer:
3.46
Step-by-step explanation:
Answer:
20wiwiiwiwjwjajsiwjjwnasjjwnwnwsjajjwjw
Answer:
Part a) The quadratic function is 
Part b) The value of x is
Part c) The photo and frame together are
wide
Step-by-step explanation:
Part a) Write a quadratic function to find the distance from the edge of the photo to the edge of the frame
Let
x----> the distance from the edge of the photo to the edge of the frame
we know that

Part b) What is the value of x?
Solve the quadratic equation 
The formula to solve a quadratic equation of the form
is equal to
in this problem
we have

so
substitute in the formula

-----> the solution
Part c) How wide are the photo and frame together?

Answer:
2,160 seconds
Step-by-step explanation:
True: adding two polynomials will always result in another polynomial