20 States Primary enforcement laws for all occupants: 20 states—Alaska, California, Delaware, Hawaii, Illinois, Indiana, Kentucky, Louisiana, Maine, Minnesota, Mississippi, New Mexico, New York, Oregon, Rhode Island, South Carolina, Texas, Utah, Washington and Wisconsin, plus the District of Columbia, Guam, the Northern Mariana
A polynomial can only have one constant, since the constant is the one number being added or subtracted from the rest of the polynomial, and it is the only number that is not being multiplied by an x value.
