Can someone plz help me?

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie