Hi guys I need help rq with this thanks

Which expression is equivalent to 4 square root 6 divided by 3 root 2

Noah bought a computar cartridge for $28.50. sales tax was 6.5%. what was the total amount noah paid for the cartridge?

1. if sin t=.29 and ,sin w=.43 both t and w are positive, and the angles determined by t and w are in quadrant 2, then which of the following statements is true? a. t > w b. w > t c. cannot be determined 2. if cos t=-.42 and ,cos w=-.80 both t and w are positive, and the angles determined by t and w are in quadrant 3, then which of the following statements is true? a. t > w b. w > t c. cannot be determined