Find the total surface area of this rectangular prism?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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 equation for x. 50(4x + 12) = 200