Plz help me I have a f in math class and if tht f stays there they kick me out of school and then I have to go to a never one so plz get them right for me ..and u will get Brainliest

Answer:
Step-by-step explanation:
surface area = 2( LW + LH + WH)
where L = Length = 9
W = Width = 2
H = Height = 9
plugin values into the formula:
surface area = 2 ( LW + LH + WH)
= 2 ( 9*2 + 9*9 + 2*9 )
= 2 ( 18 + 81 + 18 )
= 2 (117)
= 234