What is the area of a card that is 1/10

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

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?