The Smith family drove a total of 555 miles, starting on Friday and ending on Sunday. They drove 155 miles on Friday and 276 miles on Saturday. How many miles did they drive on Sunday?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

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?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years