At-shirt at a department store cost $5.50. the total cost, in dollars, of a t-shirt is given by the function c(a) = 5.50a. t-shirts 1 t-shirts 2 t-shirts 3 t-shirts each t-shirt costs $ so the common difference is

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k