Which recursive formula can be used to represent the sequence 2, 4, 6, 8, 10, ... ?
a = 2
A.
a = 2-1 - 2
a = 2
B.
a = 2-12
ay = 0
C.
ar = 8.-1 + 2
D.
24 = 2
a = an-1+2

Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?