It shoukd be A if im not mistaken
Answer:
Neither because reason is incorrect answer of Vicente is wrong and reason of Zwena is wrong.Though her answer is correct her reason is incorrect.
Step-by-step explanation:
expression 9x-2x+4x is done as
9x-2x+4x
9x+4x-2x
13x-2x
11x
Therefore, the decimal equivalent to the expression
is 50.02
The given expression is:

Note that 
The expression therefore becomes:
(5 x 10) + (2 x 0.01)
50 + 0.02
= 50.02
Therefore, the decimal equivalent to the expression
is 50.02
Learn more here: brainly.com/question/18770964
Answer:
The combined mean can be calculated by plugging in our numbers into the formula given: [(57*82)+(23*63)/(57+23)]=76.5
lol how is this math XD
and i can i'm just not giving my number out here