Someone help me please

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

Icould really use some with this question.

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?