The second-largest state in the us is texas, covering 268,580 square miles (including water). what is the approximate radius of a sphere with the same surface area as the area of texas?

What are the soultion(s) to the quadratic equation 40- x^2=0

The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?