Y = x + 5
Just add 5 to the number of hours to get the total cost.
Answer:
9 sides!
Step-by-step explanation:
Nonagon has it's each interior angle measure as 140 degrees.
Polygon with 9 sides!
3 baseball cards = $160
first card + (second card + third card) = $160
first card = second card + third card
$160 ÷ 2 = $80
thus the first card was $80