Answer:
I don't know if it's two separate questions so I did two
Answer:
The answer is a² .
Step-by-step explanation:
You have to substitute x and y into the expression :



Next, you have to apply Basic Trigonometric Identity :




Answer:
A is the answer
if you are happy with my answer, please give brainliest :)
Step-by-step explanation:
Answer:
Hey there!
Area of a square: Length(Length)
324=Length^2
Length=18 ft.
Let me know if this helps :)
Answer:
Her unit rate remained the same
Step-by-step explanation:
80 is twice as much as 40. 5 minutes is twice as long as 2 1/2 minutes. Her unit rate never changed.