A cell phone manufacturer released a new version of its phone with an increased screen size. The width has increased by 1 centimeter, and the
height has increased by 2 centimeters. The area of the new phone's screen is 91
square centimeters. The height of the original phone was
5 centimeters greater than its width. Find the screen dimensions of the original -
version of the phone.
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The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

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?

Find the domain and range of the following function f(x) = 51x - 21+ 4