A smartphone originally worth $790 loses value at a rate of $175 each year. Write an equation to represent the value of the phone, then find the value of the phone after 4 years. Identify your variables. Equation:

Solution:

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

How many terms does the polynomial x^2 y^2 have