Gary is 4 years less than three times his brothers age, b. The sum of Gary and his brothers' age is 52. Write an equation to represent this relationship. Please need ASAP. 10 POINTS!

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

10x − 5y + 14 = 0 whats the answer pls

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