Mary Steiner purchased school supplies at Office Emporium for $97.62. She then purchased a dictionary for $22.95 and a CD for $1
4.78 at Books Express. For all purchases, she must pay the state sales tax of 6.5 percent and the county tax of 0.5 percent. What is the total tax on her purchase? Explain your answer
Not A because regular means all sides are equal. B has to be the answer because the others are not. Not C because a right triangle is not regular, i.e. and equilateral triangle. Not D because a rectangle has different side lengths.