I REALLY NEED HELP ASAP WITH THESE 3 QUESTIONS

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?

Asugar cube is inch on each edge. how much volume does it occupy?

The base of a prism is a regular hexagon with the perimeter of 78mm the height of the prism is 16mm what is the area of one of the rectangular faces of the prism?