Answer:
Correct me if I'm wrong, but I'm pretty sure it is 7.
Step-by-step explanation:
because to find area you multiply length * width so 10 times 7 is 70?
Answer: I believe it would be $600
Step-by-step explanation:
Answer:
Jack uses 14 photos.
Step-by-step explanation:
Answer:
The value of c that completes the square
is 1
Step-by-step explanation:
We need to find the value of c that completes the square 
The formula used will be: 
In the question given the value c can be found by breaking the middle term. we are given 2x while the general formula is 2ab for middle term so,
2(x)(1) = 2x
so, c= 1
Solving:

So, the value of c that completes the square
is 1