Just subtract 9:00-2:30 so your answer should 6 hours and 30 minutes or 6 1/2 hours
x = -4, so use the first equation, x^2 = -4^2 = -16
x = 4, use 3rd equation, sqrt(x) = sqrt(4) = 2
Answer:
4th choice which is 50.24 sq.m
These are the two answers you could get
Just multiply the with and the length by four (considering the scale factor is 4)
3x4=12 and 7x4=28
