Anyone know the answer to this question ?

Question:

c=3x+80  

R=12x- 0.02x^2

R= revenue  

C=cost  

X=items sold  

A)9x-(0.2x^2+80)

B)x(9-0.2x)-80  

C)x(9-0.02x)

D)9x-0.02x^2+80

c) x(9-0.2x)

is the correct answer

PLZ MARK BRAINLIEST

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

savings account is an account only used for saving money. this acts as an emergency source of funding for an individual. answer a would result in the money in his account to grow as it specifically states that interest is compounded daily at the rate of 2%

step-by-step explanation: