Model each problem with a quadratic equation. then solve. if necessary, round to the nearest tenth 1. find the side length of a square with an area of 196 ft^2

2. find the radius of a circle with an area of 100 in^2

3. find the side length of a square with an area of 50 cm^2
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Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

50 points~ ! i have to turn this in tomarrow

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?