Which statement represents the given algebraic expression? \large -3n-17

a
Seventeen less than three times a number
b
Negative three minus seventeen
c
A number less than seventeen is negative three
d-Negative three of a number decreased by seventeen

$7.50x+$4.50y=midk it's been awhile since i've done one of these

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

A) for the n row: 22+(n-1)×6therefore,b) 100-22=78that means (n-1)×6=7878÷6=1313+1=1414th row has 100 seats