F a student drives 30 miles north, the 40 miles east, then 60 more miles north and finally 80 more miles east, exactly how far is she from her starting point? (As the crow flies.)

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

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?