P(n)=2n^2-6n find p(4)

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0