Answer:
Sarah is correct
Step-by-step explanation:
Required
Which of the students is correct
Let a number be x,
Given what the teacher asked the students to do, the solution is:



Only Sarah got this correctly; others are incorrect.
The proof is as follows.
For Sarah



So, the numbers will be: 1416, -1416 and 1416
<em>Other students are incorrect</em>
Answer:
The length of the rectangular park is
and the width of the rectangular park is
Step-by-step explanation:
Let
x ----> the length of the rectangular park
y ---> the width of the rectangular park
we know that
The perimeter is equal to


so
-----> equation A
----> equation B
substitute equation B in equation A and solve for y
Find the value of x

therefore
The length of the rectangular park is
and the width of the rectangular park is
Answer:
ok
Step-by-step explanation:
your question is too long plz make it short i don't have so much time to ans it fully okay?