A room is half as long as it is broad and it is 5m high. The total cost of painting the walls of room is Rs. 875 at the rate of Rs. 3.50 per sq. meter. What is the cost
of plastering the floor and ceiling at Rs. 9 per sq. meter?

11/2.2 = 5 inches for the length 8.5/2.2= 3.86 inches for the width

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*