Picture below- Solve in terms if pi the arc length but im not sure how to do it. I know formula but im still confused

Find the area of an equilateral triangle with a side of 6 inches

Using elimination, what is -4x+2y=-12 4x+8y=-24

Graham’s monthly bank statement showed the following deposits and withdrawals. -$25.20, $42.75, -$22.04, -$18.50, $74.11. part a if grahams baldness in the account was $37.86 at the beginning of the month,! 27/4! 2// the account balance at the end of the month? ? plz i will give you 100 points