If Skylar has 164 books, how many books does Karen have?

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

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?

Solve the proportion of 16/50=x/156.25