Answer:
The mistake she made was ; She didn't change the sign when subtracting -3/4 from both sides
She wrote 5/4+3/4 instead of 5/4-3/4
Step-by-step explanation:
Correct solution:

Subtract-3/4 from both sides

Simplify

One half of a certain number is 95 is depicted by <span>1/2 · n = 95</span>
Perimeter :
because there are four sides to a square and all sides are the same, the answer is 4(2x-9)
area:
area is basically length times width so the answer is (2x-9)(2x-9) or (2x-9)^2
Answer:
1
Step-by-step explanation:
As I have explained in the picture, all they are asking is for you to input 2 wherever there is an x.
The second one cause u can tell that it has exponential growth sorry im new at this if i dont get it right sorry