The sales tax rate is 10%. If Kamal buys a gold ring priced at $391, how much tax will he pay?
Round your answer to the nearest dollar: $

$39.1 in tax

Step-by-step explanation:

Well if the ring is $391, you multiply 10%, or .1, and you get $39.1 in tax.

edit: if rounded to nearest dollar, then its just $39

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.