Answer:
What?
Step-by-step explanation:
The second one is the correct answer .
Answer: -9 1/4.
Step-by-step explanation:
Answer:
4 multiplied by sq rt of 5
Step-by-step explanation:
Answer: 21cm
Step-by-step explanation:
To find the area of a rectangle you just multiply the length by the width. In this case we have 12(width) x ?(length) = 252. To solve we would just divide the area by the known measurement to find the missing one, so 252/12 =21cm