Which of the following expresses the possible number of positive real solutions for the polynomial equation shown below?
5.73 + x2 - 7x + 28 = 0
A. Zero
B. One
C. Two or zero
D. Three or one

Susan is paying $0.30 per $100 on her $483,000 home in homeowners insurance annually. if her annual homeowners insurance premium is divided into twelve equal monthly installments to be included on each of her monthly mortgage payments of $2,128.00, what is her total monthly payment?