Hello there!
The correct answer is option B (-3,3)
-3x - y = 6
-3(-3) - 3 = 6
9 - 3 = 6
6 = 6
Thus, the correct answer is option B
Good luck with your studied!
40.0*10 is the answer
actually it is 400 but u want in decimal so it is 40.0*10
5X10=50 sq ft area
Around the 3 sides= 5+10+5=20