How do i make this x variable positive?

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

Graph the linear function using the slooe and y intercept

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?