Find the angle between (2,2,1) and (3,6,-2)

Pick the description of a geometric object that best matches the real world object box for a deck of card

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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?